Pomegranate vs Figs – Which is Healthier?
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Our Verdict
When comparing pomegranate to figs, we picked the pomegranate.
Why?
In terms of macros, pomegranate has a lot more protein* and fiber, while the fig has more carbs. Thus, a win for pomegranate.
*Why such protein in a fruit? In both cases, it’s mostly from the seeds, which in both cases, we’re eating. However, pomegranates have a much greater seed-to-mass ratio than figs, and thus, a correspondingly higher amount of protein. Also some fats from the seeds, again more than figs, but the margin of difference is smaller, and not really enough to be of relevance.
In the category of vitamins, pomegranates lead with more of vitamins B1, B5, B9, C, E, K, and choline, while figs have more of vitamins A, B3, and B6. The largest margins of difference are in vitamins B9, E, and K, so all in pomegranate’s favor.
The minerals scene is closer to even; pomegranate has more copper, phosphorus, potassium, selenium, and zinc, while figs have more calcium, iron, magnesium, and manganese. Thus, a 5:4 lead for pomegranate, and the larger margins of difference are again for pomegranate.
In short, enjoy both, but pomegranates are the more nutritionally dense. Also, don’t throw away the peel! Dry it, and turn it into a powdered supplement—see our linked article below, for why:
Want to learn more?
You might like to read:
Pomegranate’s Health Gifts Are Mostly In Its Peel
Take care!
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‘I can’t quite shut it off’: Prevalence of insomnia a growing concern for women
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Tasha Werner, 43, gets up at 3:30 a.m. twice a week for her part-time job at a fitness centre in Calgary. After a five-hour shift, she is back home by 9 a.m. to homeschool her two children, aged 9 and 12. The hardest part of her position – stay-at-home mom, homeschool teacher and part-time worker – is the downtime “lost from my life,” says Werner.A study by Howard M. Kravitz, a psychiatrist in Chicago, showed that up to 60 per cent of women experience sleep disorders due to hormonal changes linked to menopause. But there is an increasing prevalence of insomnia symptoms in women that may be attributed, in part, to societal changes.
“We live in a world that didn’t exist a generation ago. Now everyone is trying to figure it out,” says Michael Grandner, director of the Sleep and Health Research Program at the University of Arizona.
While women are no longer expected to stay at home, many who are employed outside the home also have the primary responsibility for family matters. And women aged 40 to 60 commonly fall within the “sandwich generation,” caring for both children and parents.
As women juggle their responsibilities, these duties can take a toll, both emotionally and practically.
Both Werner and her husband were raised in traditional homes; their mothers stayed at home to oversee childcare, cooking, grocery shopping and household duties. Initially, Werner and her husband followed a similar path, mirroring their parents’ lives as homemakers. “I think we just fell into what we were used to,” says Werner.
However, a notable shift in their family dynamics occurred once she started working outside the home.
Her children’s physical needs and illnesses have had major consequences on her sleep. If one of the children is sick with the flu, that’s “a week of not a lot of sleep during the night,” she says, “because that’s my job.” Many nights, she finds herself waking up between 1 a.m. and 3 a.m., worrying about how the kids are doing academically or behaviourally.
“We face a specific set of anxieties and a different set of pressures than men,” says Emma Kobil, who has been a therapist in Denver, Colo., for 15 years and is now an insomnia coach. There is so much pressure to be everything as a woman – to be an amazing homemaker and worker while maintaining a hot-rocking body and having a cool personality, to “be the cool mom but also the CEO, to follow your dreams and be the boss b****,” says Kobil.
And there’s an appeal to that concept. Daughters grow up viewing their moms as superwomen juggling responsibilities. But what isn’t always obvious are the challenges women face while managing their lives and the health issues they may encounter.
A study revealed that women are 41 per cent more at risk of insomnia than men.
A thorough study revealed that women are 41 per cent more at risk of insomnia than men. Beyond menopausal hormonal shifts, societal pressures, maternal concerns and the challenge of balancing multiple roles contribute to women’s increased susceptibility to insomnia.
Cyndi Aarrestad, 57, lives on a farm in Saskatchewan with her husband, Denis. Now an empty nester, Aarrestad fills her time working on the farm, keeping house, volunteering at her church and managing her small woodworking business. And she struggles with sleep.
Despite implementing some remedies, including stretching, drinking calming teas and rubbing her feet before bed, Aarrestad says achieving restful sleep has remained elusive for the past decade.
Two primary factors contribute to her sleep challenges — her inability to quiet her mind and hormonal hot flashes due to menopause. Faced with family and outside commitments, Aarrestad finds it challenging to escape night time’s mental chatter. “It’s a mom thing for me … I can’t quite shut it off.” Even as her children transitioned to young adulthood and moved out, the worries persisted, highlighting the lasting concerns moms have about their kids’ jobs, relationships and overall well-being.
Therapist Kobil says that every woman she’s ever worked with experiences this pressure to do everything, to be perfect. These women feel like they’re not measuring up. They’re encouraged to take on other people’s burdens; to be the confidante and the saviour in many ways; to sacrifice themselves. Sleep disruptions simply reflect the consequences of this pressure.
“They’re trying to fit 20 hours in a 24-hour day, and it doesn’t work,” says Grandner, the sleep specialist.
Grandner says that consistently sleeping six hours or less as an adult makes one 55 per cent more likely to become obese, 20 per cent more likely to develop high blood pressure, and 30 per cent more likely to develop Type 2 diabetes if you didn’t have it already. This lack of sleep makes you more likely to catch the flu. It makes vaccines less effective, and it increases your likelihood of developing depression and anxiety.
When is the time to change? Yesterday. Grandner warns that the sleep sacrifices made at a young age impact health later. But it’s never too late to make changes, he says, and “you do the best with what you’ve got.”
Kobil suggests a practical approach for women struggling with sleep. She emphasizes understanding that sleeplessness isn’t a threat and encourages a shift in mindset about being awake. Instead of fighting sleeplessness, she advises treating oneself kindly, recognizing the difficulty.
Kobil recommends creating a simple playbook with comforting activities for awake moments during the night. Just as you would comfort a child who’s afraid, she suggests being gentle with yourself, gradually changing the perception of wakefulness into a positive experience.
This article is republished from HealthyDebate under a Creative Commons license. Read the original article.
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Too Much Or Too Little Testosterone?
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One Man’s Saw Palmetto Is Another Woman’s Serenoa Repens…
Today we’re going to look at saw palmetto. So, first:
What is it?
Saw palmetto is a type of palm native to the southeastern United States. Its scientific name is “Serenoa repens”, so if that name appears in studies we cite, it’s the same thing. By whichever name, it’s widely enjoyed as a herbal supplement.
Why do people take it?
Here’s where it gets interesting, because people take it for some completely opposite reasons…
Indeed, searching for it on the Internet will cause Google to suggest “…for men” and “…for women” as the top suggestions.
That’s because it works on testosterone, and testosterone can be a bit of a double-edged sword, so some people want to increase or decrease certain testosterone-related effects on their body.
And it works for both! Here be science:
- Testosterone (henceforth, “T”) is produced in the human body.
- Yes, all human bodies, to some extent.
- An enzyme called 5-alpha-reductase converts T in to DHT (dihydrogen testosterone)
- DHT is a much more potent androgen (masculinizing agent) than T alone, such that its effects are often unwanted, including:
- Enlarged prostate (if you have one)
- Hair loss (especially in men)
- New facial hair growth (usually unwanted by women)
- Women are more likely to get this due to PCOS and/or the menopause
To avoid those effects, you really want less of your T to be converted into DHT.
Saw palmetto is a 5α-reductase inhibitor, so if you take it, you’ll have less DHT, and you’ll consequently lose less hair, have fewer prostate problems, etc.
^The above study showed that saw palmetto extract performed comparably to finasteride. Finasteride is the world’s main go-to prescription drug for treating enlarged prostate and/or hair loss.
See also: Natural Hair Supplement: Friend or Foe? Saw Palmetto, a Systematic Review in Alopecia
Hair today… Growing tomorrow!
So, what was that about increasing T levels?
Men usually suffer declining T levels as they get older, with a marked drop around the age of 45. With lower T comes lower energy, lower mood, lower libido, erectile dysfunction, etc.
Guess what… It’s T that’s needed for those things, not DHT. So if you block the conversion of T to DHT, you’ll have higher blood serum T levels, higher energy, higher mood, higher libido, and all that.
(the above assumes you have testicles, without which, your T levels will certainly not increase)
Saw Palmetto Against Enlarged Prostate?
With higher DHT levels in mid-late life, prostate enlargement (benign prostatic hyperlasia) can become a problem for many men. The size of that problem ranges from urinary inconvenience (common, when the prostate presses against the bladder) to prostate cancer (less common, much more serious). Saw palmetto, like other 5α-reductase inhibitors such as finasteride, may be used to prevent or treat this.
Wondering how safe/reliable it is? We found a very high-quality fifteen-year longitudinal observational study of the use of saw palmetto, and it found:
❝The 15 years’ study results suggest that taking S. repens plant extract continuously at a daily dose of 320 mg is an effective and safe way to prevent the progression of benign prostatic hyperplasia.❞
Want a second opinion? We also found a 10-year study (by different researchers with different people taking it), which reached the same conclusion:
❝The results of study showed the absence of progression, both on subjective criteria (IPSS, and QoL scores), and objective criteria (prostate volume, the rate of urination, residual urine volume). Furthermore, patients had no undesirable effects directly related to the use of this drug.❞
- IPSS = International Prostate Symptom Score
- QoL = Quality of Life
❝But wait a minute; I, a man over the age of 45 with potentially declining T levels but a fabulous beard, remember that you said just a minute ago that saw palmetto is used by women to avoid having facial hair; I don’t want to lose mine!❞
You won’t. Once your facial hair follicles were fully developed and activated during puberty, they’ll carry on doing what they do for life. That’s no longer regulated by hormones once they’re up and running.
The use of saw palmetto can only be used to limit facial hair if caught early—so it’s more useful at the onset of menopause, for those who have (or will have) such, or else upon the arrival of PCOS symptoms or hirsuitism from some other cause.
Take The Test!
Do you have a prostate, and would like to know your IPSS score, and what that means for your prostate health?
(takes 1 minute, no need to pee or go probing for anything)
Bottom Line on Saw Palmetto
- It blocks the conversion of T into DHT
- It will increase blood serum T levels, thus boosting mood, energy, libido, etc in men (who typically have more T, but whose T levels decline with age)
- It will decrease DHT levels, thus limiting hair loss (especially in men) and later-life new facial hair growth (especially in women).
- It can be used to prevent or treat prostate enlargement
- Bonus: it’s a potent antioxidant and thus reduces general inflammation (in everyone)
Want To Try Saw Palmetto?
We don’t sell it (or anything else), but for your convenience…
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- Testosterone (henceforth, “T”) is produced in the human body.
Waist Size Worries: Age-Appropriate Solutions
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It’s Q&A Day at 10almonds!
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small
❝My BMI is fine, but my waist is too big. What do I do about that? I am 5′ 5″ tall and 128 pounds and 72 years old.❞
It’s hard to say without knowing about your lifestyle (and hormones, for that matter)! But, extra weight around the middle in particular is often correlated with high levels of cortisol, so you might find this of benefit:
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Driving under the influence of marijuana: An explainer and research roundup
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Update 1: On May 16, 2024, the U.S. Department of Justice sent a proposed rule to the Federal Register to downgrade marijuana from a Schedule I to a Schedule III drug. This is the first step in a lengthy approval process that starts with a 60-day comment period.
Update 2: Two recent research studies were added to the “Studies on marijuana and driving” section of this piece on July 18, 2024.
As marijuana use continues to rise and state-level marijuana legalization sweeps the U.S., researchers and policymakers are grappling with a growing public safety concern: marijuana-impaired driving.
As of April 2023, 38 U.S. states had legalized medical marijuana and 23 had legalized its recreational use, according to the National Conference of State Legislatures. Recreational or medical marijuana measures are on the ballot in seven states this year.
The issue of marijuana-impaired driving has not been an easy one to tackle because, unlike alcohol, which has well-established thresholds of impairment, the metrics for marijuana’s effects on driving remain rather elusive.
“We don’t have that kind of deep knowledge right now and it’s not because of lack of trying,” says Dr. Guohua Li, professor of epidemiology and the founding director of the Center for Injury Science and Prevention at Columbia University.
“Marijuana is very different from alcohol in important ways,” says Li, who has published several studies on marijuana and driving. “And one of them is that the effect of marijuana on cognitive functions and behaviors is much more unpredictable than alcohol. In general, alcohol is a depressant drug. But marijuana could act on the central nervous system as a depressant, a stimulant, and a hallucinogenic substance.”
Efforts to create a breathalyzer to measure the level of THC, the main psychoactive compound found in the marijuana plant, have largely failed, because “the THC molecule is much bigger than ethanol and its behavior after ingestion is very different from alcohol,” Li says.
Currently, the two most common methods used to measure THC concentration to identify impaired drivers are blood and saliva tests, although there’s ongoing debate about their reliability.
Marijuana, a term interchangeably used with cannabis, is the most commonly used federally illegal drug in the U.S.: 48.2 million people, or about 18% of Americans reported using it at least once in 2019, according to the latest available data from the Centers for Disease Control and Prevention. Worldwide, 2.5% of the population consumes marijuana, according to the World Health Organization.
Marijuana is legal in several countries, including Canada, where it was legalized in 2018. Despite state laws legalizing cannabis, it remains illegal at the federal level in the U.S.
As states grapple with the contentious issue of marijuana legalization, the debate is not just about public health, potential tax revenues and economic interests. At the heart of the discussion is also the U.S. criminal justice system.
Marijuana is shown to have medicinal qualities and, compared with substances like alcohol, tobacco, and opioids, it has relatively milder health risks. However, it’s not risk-free, a large body of research has shown.
Marijuana consumption can lead to immediate effects such as impaired muscle coordination and paranoia, as well as longer-term effects on mental health and cognitive functions — and addiction. As its use becomes more widespread, researchers are trying to better understand the potential hazards of marijuana, particularly for younger users whose brains are in critical stages of development.
Marijuana and driving
The use of marijuana among drivers, passengers and pedestrians has increased steadily over the past two decades, Li says.
Compared with the year 2000, the proportion of U.S. drivers on the road who are under the influence of marijuana has increased by several folds, between five to 10 times, based on toxicology testing of people who died in car crashes, Li says.
A 2022 report from the National Transportation Safety Board finds alcohol and cannabis are the two most commonly detected drugs among drivers arrested for impaired driving and fatally injured drivers. Most drivers who tested positive for cannabis also tested positive for another potentially impairing drug.
“Although cannabis and many other drugs have been shown to impair driving performance and are associated with increased crash risk, there is evidence that, relative to alcohol, awareness about the potential dangers of driving after using other drugs is lower,” according to the report.
Indeed, many U.S. adults perceive daily marijuana use or exposure to its smoke safer than tobacco, even though research finds otherwise.
Several studies have demonstrated marijuana’s impact on driving.
Marijuana use can reduce the drivers’ ability to pay attention, particularly when they are performing multiple tasks, research finds. It also slows reaction time and can impair coordination.
“The combination is that you potentially have people who are noticing hazards later, braking slower and potentially not even noticing hazards because of their inability to focus on competing things on the road,” says Dr. Daniel Myran, an assistant professor at the Department of Family Medicine and health services researcher at the University of Ottawa.
In a study published in September in JAMA Network Open, Myran and colleagues find that from 2010 to 2021 the rate of cannabis-involved traffic injuries that led to emergency department visits in Ontario, Canada, increased by 475%, from 0.18 per 1,000 traffic injury emergency department visits in 2010 to 1.01 visits in 2021.
To be sure, cannabis-involved traffic injuries made up a small fraction of all traffic injury-related visits to hospital emergency departments. Out of 947,604 traffic injury emergency department visits, 426 had documented cannabis involvement.
Myran cautions the increase shouldn’t be solely attributed to marijuana legalization. It captures changing societal attitudes toward marijuana and acceptance of cannabis use over time in the lead-up to legalization. In addition, it may reflect an increasing awareness among health care providers about cannabis-impaired driving, and they may be more likely to ask about cannabis use and document it in medical charts, he says.
“When you look at the 475% increase in cannabis involvement in traffic injuries, rather than saying legalizing cannabis has caused the roads to be unsafe and is a public health disaster, it’s that cannabis use appears to be growing as a risk for road traffic injuries and that there seem to be more cannabis impaired drivers on the road,” Myran says. “Legalization may have accelerated this trend. Faced with this increase, we need to think about what are public health measures and different policy interventions to reduce harms from cannabis-impaired driving.”
Setting a legal limit for marijuana-impaired driving
Setting a legal limit for marijuana-impaired driving has not been easy. Countries like Canada and some U.S. states have agreed upon a certain level of THC in blood, usually between 1 to 5 nanograms per milliliter. Still, some studies have found those limits to be weak indicators of cannabis-impaired driving.
When Canada legalized recreational marijuana in 2018, it also passed a law that made it illegal to drive with blood THC levels of more than 2 nanograms. The penalties are more severe for blood THC levels above 5 nanograms. The blood test is done at the police station for people who are pulled over and are deemed to be drug impaired.
In the U.S., five states — Ohio, Illinois, Montana, Washington and Nevada — have “per se laws,” which set a specific amount of THC in the driver’s blood as evidence of impaired driving, according to the National Conference of State Legislatures. That limit ranges between 2 and 5 nanograms of THC per milliliter of blood.
Colorado, meanwhile, has a “permissible inference law,” which states that it’s permissible to assume the driver was under the influence if their blood THC level is 5 nanograms per milliliter or higher, according to NCSL.
Twelve states, most which have legalized some form of marijuana of use, have zero tolerance laws for any amount of certain drugs, including THC, in the body.
The remaining states have “driving under the influence of drugs” laws. Among those states, Alabama and Michigan, have oral fluid roadside testing program to screen drivers for marijuana and other drugs, according to NCSL.
In May this year, the U.S. Department of Transportation published a final rule that allows employers to use saliva testing for commercially licensed drivers, including truck drivers. The rule, which went into effect in June, sets the THC limit in saliva at 4 nanograms.
Saliva tests can detect THC for 8 to 24 hours after use, but the tests are not perfect and can results in false positives, leading some scientists to argue against using them in randomly-selected drivers.
In a 2021 report, the U.S. National Institute of Justice, the research and development arm of the Department of Justice, concluded that THC levels in bodily fluids, including blood and saliva “were not reliable indicators of marijuana intoxication.”
Studies on marijuana and driving
Over the past two decades, many studies have shown marijuana use can impair driving. However, discussions about what’s the best way to measure the level of THC in blood or saliva are ongoing. Below, we highlight and summarize several recent studies that address the issue. The studies are listed in order of publication date. We also include a list of related studies and resources to inform your audiences.
State Driving Under the Influence of Drugs Laws
Alexandra N. Origenes, Sarah A. White, Emma E. McGinty and Jon S. Vernick. Journal of Law, Medicine & Ethics, July 2024.Summary: As of January 2023, 33 states and D.C. had a driving under the influence of drugs law for at least one drug other than cannabis. Of those, 29 states and D.C. had a law specifically for driving under the influence of cannabis, in addition to a law for driving under the influence of other drugs. Four states had a driving under the influence of drug laws, excluding cannabis. Meanwhile, 17 states had no law for driving under the influence of drugs, including cannabis. “The 17 states lacking a DUID law that names specific drugs should consider enacting such a law. These states already have expressed their concern — through legislation — with drug-impaired driving. However, failure to name specific drugs is likely to make the laws more difficult to enforce. These laws may force courts and/or law enforcement to rely on potentially subjective indicators of impairment,” the authors write.
Associations between Adolescent Marijuana Use, Driving After Marijuana Use and Recreational Retail Sale in Colorado, USA
Lucas M. Neuroth, et al. Substance Use & Misuse, October 2023.Summary: Researchers use data from four waves (2013, 2015, 2017 and 2019) of the Healthy Kids Colorado Survey, including 47,518 students 15 and older who indicated that they drove. They find 20.3% of students said that they had used marijuana in the past month and 10.5% said they had driven under the influence of marijuana. They find that the availability of recreational marijuana in stores was associated with an increased prevalence of using marijuana one to two times in the past month and driving under the influence of marijuana at least once. “Over the study period, one in ten high school age drivers engaged in [driving after marijuana use], which is concerning given the high risk of motor vehicle-related injury and death arising from impaired driving among adolescents,” the authors write.
Are Blood and Oral Fluid Δ9-tetrahydrocannabinol (THC) and Metabolite Concentrations Related to Impairment? A Meta-Regression Analysis
Danielle McCartney, et al. Neuroscience & Biobehavioral Reviews, March 2022.Summary: Commonly used THC measurements may not be strong indicators of driving impairment. While there is a relationship between certain biomarkers like blood THC concentrations and impaired driving, this correlation is often weak. The study underscores the need for more nuanced and comprehensive research on this topic, especially as cannabis usage becomes more widespread and legally accepted.
The Effects of Cannabis and Alcohol on Driving Performance and Driver Behaviour: A Systematic Review and Meta-Analysis
Sarah M. Simmons, Jeff K. Caird, Frances Sterzer and Mark Asbridge. Addiction, January 2022.Summary: This meta-analysis of experimental driving studies, including driving simulations, confirms that cannabis impairs driving performance, contrary to some beliefs that it might enhance driving abilities. Cannabis affects lateral control and speed — typically increasing lane excursions while reducing speed. The combination of alcohol and marijuana appears worse than either alone, challenging the idea that they cancel each other out.
Cannabis Legalization and Detection of Tetrahydrocannabinol in Injured Drivers
Jeffrey R. Brubacher, et al. The New England Journal of Medicine, January 2022.Summary: Following the legalization of recreational marijuana in Canada, there was a notable increase in injured drivers testing positive for THC, especially among those 50 years of age or older. This rise in cannabis-related driving incidents occurred even with new traffic laws aiming to deter cannabis-impaired driving. This uptick began before legalization became official, possibly due to perceptions that cannabis use was soon-to-be legal or illegal but not enforced. The data suggests that while legalization has broad societal impacts, more comprehensive strategies are needed to deter driving under the influence of cannabis and raise public awareness about its risks.
Cannabis and Driving
Godfrey D. Pearlson, Michael C. Stevens and Deepak Cyril D’Souza. Frontiers in Psychiatry, September 2021.Summary: Cannabis-impaired driving is a growing public health concern, and studies show that such drivers are more likely to be involved in car crashes, according to this review paper. Drivers are less affected by cannabis than they are by alcohol or cocaine, but the problem is expected to escalate with increasing cannabis legalization and use. Unlike alcohol, THC’s properties make it challenging to determine direct impairment levels from testing results. Current roadside tests lack precision in detecting genuine cannabis-impaired drivers, leading to potential wrongful convictions. Moreover, there is a pressing need for research on the combined effects of alcohol and cannabis on driving, as well as the impact of emerging popular forms of cannabis, like concentrates and edibles. The authors recommend public awareness campaigns about the dangers of driving under the influence of cannabis, similar to those against drunk driving, to address misconceptions. Policymakers should prioritize science-based decisions and encourage further research in this domain.
Demographic And Policy-Based Differences in Behaviors And Attitudes Towards Driving After Marijuana Use: An Analysis of the 2013–2017 Traffic Safety Culture Index
Marco H. Benedetti, et al. BMC Research Notes, June 2021.Summary: The study, based on a U.S. survey, finds younger, low-income, low-education and male participants were more tolerant of driving after marijuana consumption. Notably, those in states that legalized medical marijuana reported driving after use more frequently, aligning with studies indicating a higher prevalence of THC detection in drivers from these states. Overall, while the majority perceive driving after marijuana use as dangerous, not all research agrees on its impairment effects. Existing studies highlight that marijuana impacts motor skills and executive functions, yet its direct correlation with crash risk remains debated, given the variations in individual tolerance and how long THC remains in the system.
Driving Under the Influence of Cannabis: A Framework for Future Policy
Robert M. Chow, et al.Anesthesia & Analgesia, June 2019.Summary: The study presents a conceptual framework focusing on four main domains: legalization, driving under the influence of cannabis, driver impairment, and motor vehicle accidents. With the growing legalization of cannabis, there’s an anticipated rise in cannabis-impaired driving cases. The authors group marijuana users into infrequent users who show significant impairment with increased THC blood levels, chronic users with minimal impairment despite high THC levels, and those with consistent psychomotor deficits. Current challenges lie in the lack of standardized regulation for drivers influenced by cannabis, primarily because of state-to-state variability and the absence of a federal statutory limit for blood THC levels. European nations, however, have established thresholds for blood THC levels, ranging from 0.5 to 50.0 micrograms per liter depending on whether blood or blood serum are tested. The authors suggest the combined use of alcohol and THC blood tests with a psychomotor evaluation by a trained professional to determine impairment levels. The paper stresses the importance of creating a structured policy framework, given the rising acceptance and use of marijuana in society.
Additional research
Cannabis-Involved Traffic Injury Emergency Department Visits After Cannabis Legalization and Commercialization
Daniel T. Myran, et al. JAMA Network Open, September 2023.Driving Performance and Cannabis Users’ Perception of Safety: A Randomized Clinical Trial
Thomas D. Marcotte, et al. JAMA Psychiatry, January 2022.Medicinal Cannabis and Driving: The Intersection of Health and Road Safety Policy
Daniel Perkins, et al. International Journal of Drug Policy, November 2021.Prevalence of Marijuana Use Among Trauma Patients Before and After Legalization of Medical Marijuana: The Arizona Experience
Michael Levine, et al. Substance Abuse, July 2021.Self-Reported Driving After Marijuana Use in Association With Medical And Recreational Marijuana Policies
Marco H. Benedetti, et al. International Journal of Drug Policy, June 2021.Cannabis and Driving Ability
Eric L. Sevigny. Current Opinion in Psychology, April 2021.The Failings of per se Limits to Detect Cannabis-Induced Driving Impairment: Results from a Simulated Driving Study
Thomas R. Arkell, et al. Traffic Injury Prevention, February 2021.Risky Driving Behaviors of Drivers Who Use Alcohol and Cannabis
Tara Kelley-Baker, et al. Transportation Research Record, January 2021.Direct and Indirect Effects of Marijuana Use on the Risk of Fatal 2-Vehicle Crash Initiation
Stanford Chihuri and Guohua Li. Injury Epidemiology, September 2020Cannabis-Impaired Driving: Evidence and the Role of Toxicology Testing
Edward C. Wood and Robert L. Dupont. Cannabis in Medicine, July 2020.Association of Recreational Cannabis Laws in Colorado and Washington State With Changes in Traffic Fatalities, 2005-2017
Julian Santaella-Tenorio, et al. JAMA Internal Medicine, June 2020.Marijuana Decriminalization, Medical Marijuana Laws, and Fatal Traffic Crashes in US Cities, 2010–2017
Amanda Cook, Gregory Leung and Rhet A. Smith. American Journal of Public Health, February 2020.Cannabis Use in Older Drivers in Colorado: The LongROAD Study
Carolyn G. DiGuiseppi, et al. Accident Analysis & Prevention, November 2019.Crash Fatality Rates After Recreational Marijuana Legalization in Washington and Colorado
Jayson D. Aydelotte, et al. American Journal of Public Health, August 2017.Marijuana-Impaired Driving: A Report to Congress
National Highway Traffic Safety Administration, July 2017Interaction of Marijuana And Alcohol on Fatal Motor Vehicle Crash Risk: A Case–Control Study
Stanford Chihuri, Guohua Li and Qixuan Chen. Injury Epidemiology, March 2017.US Traffic Fatalities, 1985–2014, and Their Relationship to Medical Marijuana Laws
Julian Santaella-Tenorio, et al. American Journal of Public Health, February 2017.Delays in DUI Blood Testing: Impact on Cannabis DUI Assessments
Ed Wood, Ashley Brooks-Russell and Phillip Drum. Traffic Injury Prevention, June 2015.Establishing Legal Limits for Driving Under the Influence of Marijuana
Kristin Wong, Joanne E. Brady and Guohua Li. Injury Epidemiology, October 2014.Cannabis Effects on Driving Skills
Rebecca L. Hartman and Marilyn A. Huestis. Clinical Chemistry, March 2014.Acute Cannabis Consumption And Motor Vehicle Collision Risk: Systematic Review of Observational Studies and Meta-Analysis
Mark Asbridge, Jill A. Hayden and Jennifer L. Cartwright. The BMJ, February 2012.Resources for your audiences
The following resources include explainers from federal agencies and national organizations. You’re free to use images and graphics from federal agencies.
- CDC’s main marijuana page.
- CDC’s marijuana data and statistics.
- Marijuana Drug Facts from the National Institute on Drug Abuse.
- Health Effects of Marijuana from the CDC.
- Learn About Marijuana Risks from the Substance Abuse and Mental Health Services Administration.
- Marijuana and Lung Health from the American Lung Association.
- Substance Use Disorder 101 from the U.S. Department of Health & Human Services.
- What You Need To Know About Marijuana Use and Driving from the CDC.
- Does marijuana use affect driving? from the National Institute on Drug Abuse.
- Drug-Impaired Driving from the National Highway Traffic Safety Administration.
This article first appeared on The Journalist’s Resource and is republished here under a Creative Commons license.
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The End of Alzheimer’s – by Dr. Dale Bredesen
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This one didn’t use the “The New Science Of…” subtitle that many books do, and this one actually is a “new science of”!
Which is exciting, and/but comes with the caveat that the overall protocol itself is still undergoing testing, but the results so far are promising. The constituent parts of the protocol are for the most already well-established, but have not previously been put together in this way.
Dr. Bredesen argues that Alzheimer’s Disease is not one condition but three (medical consensus agrees at least that it is a collection of conditions, but different schools of thought slice them differently), and outlines 36 metabolic factors that are implicated, and the good news is, most of them are within our control.
Since there’s a lot to put together, he also offers many workarounds and “crutches”, making for very practical advice.
The style of the book is on the hard end of pop-science, that is to say while the feel and tone is very pop-sciencey, there are nevertheless a lot of words that you might know but your spellchecker probably wouldn’t. He does explain everything along the way, but this does mean that if you’re not already well-versed, you can’t just dip in to a later point without reading the earlier parts.
Bottom line: even if you only implement half the advice in this book, you’ll be doing your long-term cognitive health a huge favor.
Click here to check out The End of Alzheimer’s, and keep cognitive decline at bay!
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The Immune System Recovery Plan – by Dr. Susan Blum
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The subtitle of the book is “A Doctor’s 4-Step Program to Treat Autoimmune Disease”, so we’ll not keep the four steps a secret; they are:
- Using food as medicine
- Understanding the stress connection
- Healing your gut and digestive system
- Optimizing liver function
Each of these sections gives a primer in the relevant science, worksheets for personalizing your own plan to your own situation, condition, and goals, and of course lots of practical advice.
This is important and perhaps the book’s greatest strength, since there are dozens of possible autoimmune conditions, and getting a professional diagnosis is often a long, arduous process. So while this book can’t necessarily speed that up, what it can do is give you a good head-start on managing your symptoms based on things that are most likely to help, and certainly, there will be no harm trying.
While it’s not primarily a recipe book, there are also recipes targeting each part of the whole, as well as an extensive herb and supplement guide, before getting into lots of additional resources.
Bottom line: if you are, or suspect you are, suffering from an autoimmune condition, the information in this book can make your life a lot easier.
Click here to check out The Immune System Recovery Plan, and help yours to help you!
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