Is Fast Food Really All That Bad?
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Yes, yes it is. However, most people misunderstand the nature of its badness, which is what causes problems. The biggest problem is not the acute effects of one afternoon’s burger and fries; the biggest problem is the gradual slide into regularly eating junk food, and the long-term effects of that habit as our body changes to accommodate it (of which, people tend to focus on subcutaneous fat gain as it’s usually the most visible, but that’s really the least of our problems).
Cumulative effects
There are, of course, immediate negative effects too, and they’re not without cause for concern. Because of the composition of most junk food, it will almost by definition result in immediate blood sugar spikes, rising insulin levels, and a feeling of fatigue not long afterwards.
- Within a week of regularly consuming junk food, gut bacteria will change, resulting in moderate cravings, as well as a tendency towards depression and anxiety. Mood swings are likely, as are the gastrointestinal woes associated with any gut microbiota change.
- Within two weeks, those effects will be greater, the cravings will increase, energy levels will plummet, and likely skin issues may start to show up (our skin mostly works on a 3-week replacement cycle; some things can show up in the skin more quickly or slowly than that, though).
- Within three weeks, the rest of our blood metrics (e.g. beyond blood sugar imbalances) will start to stray from safe zones. Increased LDL, decreased HDL, and the beginnings of higher cardiovascular disease risk and diabetes risk.
- Within a month, we will likely see the onset of non-alcoholic fatty liver disease, and chronic inflammation sets in, raising the risk of a lot of other diseases, especially immune disorders and cancer.
If that seems drastic, along the lines of “eat junk food for a month and get cancer”, well, it’s an elevated risk, not a scheduled diagnosis, but the body is constantly rebuilding itself, for better or for worse, and if we sabotage its efforts by consuming a poor diet, then it will be for worse.
The good news is: this works both ways, and we can get our body back on track in fairly short order too, by enjoying a healthier diet; our body will be thrilled to start repairing itself. And of course, all these effects, good and bad, are proportional to how well or badly we eat. There’s a difference between doing a “Supersize Me” month-long 100% junk food diet, and “merely” getting a junk food breakfast each day and eating healthily later.
In short, if your diet is only moderately bad, then you will only be moderately unwell.
For more on all of this, enjoy:
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Want to learn more?
You might also like to read:
- Fix Chronic Fatigue & Regain Your Energy, By Science
- How To Unfatty A Fatty Liver
- How to Prevent (or Reduce) Inflammation
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Fix Tight Hamstrings In Just 3 Steps
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There’s a better way to increase your flexibility than just stretching and stretching and hoping for the best. Here’s a 3-step method that will transform your flexibility:
As easy as 1-2-3
Only one part actually involves stretching:
Step 1: reciprocal inhibition
- Concept: when one muscle contracts, the opposing muscle relaxes—which is what we need.
- Goal: engage hip flexors to encourage hamstring relaxation.
- Method:
- Kneeling hamstring stretch position with one leg forward.
- Support with yoga blocks or a chair; use a cushion for comfort.
- Maintain a slight arch in the lower back and hinge forward slightly.
- Attempt to lift the foot off the floor, even if it doesn’t move.
- Hold for around 10 seconds.
Step 2: engaging more muscle fibers
- Concept: our muscles contain a lot of fibers, and often not all of them come along for the ride when we do something (exercising, stretching, etc), and those fibers that weren’t engaged will hold back the whole process.
- Goal: activate more fibers in the hamstring for a deeper stretch.
- Method:
- Same kneeling position, slight back arch, and forward hinge.
- Drive the heel into the floor as if trying to dent it.
- Apply significant effort but hold for only 10 seconds.
- A small bend in the knee is acceptable.
Step 3: manipulating the nervous system
- Concept: the nervous system often limits flexibility due to safety signals (causing sensations of discomfort to tell us to stop a lot sooner than we really need to).
- Goal: passive stretching to reduce nervous system resistance.
- Method:
- Avoid muscle engagement or movement—stay completely relaxed.
- Focus on calmness, with slow, steady breaths.
- Avoid signs of tension (e.g. clenched fists, short/sharp breathing). While your nervous system is trying to communicate to you that you are in danger, you need to communicate to your nervous system that this is fine actually, so in order to reassure your nervous system you need to avoid signs that will tip it off that you’re worried too.
- Don’t overstretch; prioritize a relaxed, safe feeling.
For more on all of this, plus visual demonstrations, enjoy:
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Want to learn more?
You might also like:
Tight Hamstrings? Here’s A Test To Know If It’s Actually Your Sciatic Nerve
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More Things Dopamine Does For Us
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In this week’s news roundup, we have two dopamine items and one other for variety:
The real “dopamine switch”
Dopamine is well-known as “the reward chemical”, and indeed it is that, but it also plays a central role in many neurological processes, including:
- Linear task processing
- Motivation
- Learning and memory
- Motor functions
- Language faculties
Recent research has now shown its importance in cognitive flexibility, i.e. the ability to adapt to circumstances, and switch approaches appropriately to such, and generally not get stuck in a cognitive rut:
Read in full: Scientists confirm neurobiochemical link between dopamine and cognitive flexibility
Related: The Dopamine Myth
You may like the sound of this
It’s been known for a while that dopamine is involved in learning and memory (as mentioned above), but this has been established largely by associative studies, e.g. “people with lower dopamine levels learn less easily”. But scientists have now mapped out more of how it actually does that.
One more reason to ensure we have and maintain healthy dopamine levels!
Read in full: Songbirds highlight dopamine’s role in learning
Related: 10 Ways To Naturally Boost Dopamine
Resist Or Run!
When it comes to protecting against bone loss, resistance exercise remains key, but impact-laden activities such as running (but not lower-level everyday activity) can help too. There have been studies on the extent to which walking (a load-bearing activity) may be protective against bone loss, and the results of those studies have mostly been inconclusive.
This study looked into the incidence (or not, as the case may be) of bone-loading impacts in everyday movements, using accelerometers, and measured bone mineral density before and after testing periods. Those that had higher-intensity bone-loading movements (so, resistance training or running, for example) retained the best measures of bone density through menopause into postmenopause:
Read in full: Everyday physical activity does not slow bone loss during menopause, finds study
Related: The Bare-Bones Truth About Osteoporosis
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How To *Really* Pick Up (And Keep!) Those Habits
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The Healthiest Habit-Building
Why was that book “Atomic Habits” called that? It wasn’t just because it’s a catchy title…
Habits are—much like atoms—things that are almost imperceptibly small, yet when stacked, they make up the substance of many much larger and more obvious things, and also contain an immense amount of potential power.
About that power…
Habits are the “compound interest” of natural human life. Every action we take, every decision we make, makes our life (often imperceptibly) better or worse. But getting even just 1% better or 1% worse at something every day? That’s going to not just add up over time… It’ll actively compound over time.
Habits will snowball one way or the other, good or bad. So, we want to control that snowball so that it works for us rather than against us.
Thus, we need to choose habits that are helpful to us, rather than those that are harmful to us. Top examples include:
- Making healthy food choices rather than unhealthy ones
- Moving our body regularly rather than being sedentary
- Having a good bedtime/morning routine rather than a daily chaotic blur
- Learning constantly rather than digging into old beliefs out of habit
- Forging healthy relationships rather than isolating ourselves
We all know that to make a habit stick, we need to practice it regularly, with opinions varying on how long it takes for something to become habit. Some say 21 days; some say 66. The number isn’t the important part!
What is important
You will never get to day 66, much less will you get to day 366, if you don’t first get to day 6 (New Year’s Resolutions, anyone?).
So in the early days especially, when the habit is most likely to get dropped, it’s critical to make the habit as easy as possible to form.
That means:
- The habit should be made as pleasant as possible
- (e.g. by making modifications to it if it’s not already intrinsically pleasant)
- The habit should take under 2 minutes to do at first
- (no matter if it takes longer than 2 minutes to be useful; it’ll never be useful if you don’t first get it to stick, so make your initial commitment only 2 minutes, just to get in the habit)
- The habit should have cues to remind you
- (as it’s not habit yet, you will need to either set a reminder on your phone, or leave a visual reminder, such as your workout clothes laid out ready for you in the morning, or a bowl of fruit in plain view where you spend a lot of time)
What gets measured, gets done
Streaks are a great way to do this. Habit-tracking apps help. Marks on a calendar or in a journal are also totally fine.
What can help especially, and that a lot of people don’t do, is to have a system of regular personal reviews—like a work “performance review”, but for oneself and one’s own life.
Set a reminder or write on the calendar / in your diary, to review monthly, or weekly if you prefer, such things as:
- How am I doing in the areas of life that are important to me?
- Have a list of the areas of life that are important to you, by the way, and genuinely reflect on each of them, e.g:
- Health
- Finances
- Relationships
- Learning
- Sleep
- Etc
- Have a list of the areas of life that are important to you, by the way, and genuinely reflect on each of them, e.g:
- What is working for me, and what isn’t working for me?
- What will I do better in this next month/week?
…and then do it!
Good luck, and may it all stack up in your favor!
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How Exercise Rewires Your Brain for Better Mental Wellbeing
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
Dr. Tracey Marks, psychiatrist, explains what happens immediately, and what happens over the long term:
For now and for later
First of all, a single workout can already alter brain chemistry and protect against stress. In the longer term, exercise promotes neurogenesis, primarily in the hippocampus, improving memory and reversing brain aging. It also strengthens the prefrontal cortex, which is critical for decision-making, focus, and emotional regulation.
In more general terms, exercise boosts brain-derived neurotrophic factor (BDNF) levels, which in turn boost neuron growth and connectivity.
Exercise also promotes angiogenesis (blood vessel construction), improving oxygen and nutrient delivery to the brain.
Timeline of benefits:
- Immediate: increased blood flow and temporary BDNF spike.
- Weeks: new neurons, connections, and blood vessel growth.
- Months: visible brain volume changes and better brain connectivity.
Dr. Marks’ Timing Tips
- Morning: boosts energy and helps regulate the circadian rhythm.
- Midday: resets stress levels (specifically: to low)
- Evening: helps process emotions (but it’s still recommended to avoid high-intensity exercise close to bedtime)
For more on all of this, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Wondering what kind of exercise is best?
You might also like to read:
The Neuroscientist In The Gym: Dr. Wendy Suzuki Explains The Exercise That Protects Your Brain
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Fast. Feast. Repeat – by Dr. Gin Stephens
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We’ve reviewed intermittent fasting books before, so what makes this one different?
The title “Fast. Feast. Repeat.” doesn’t give much away; after all, we already know that that’s what intermittent fasting is.
After taking the reader though the basics of how intermittent fasting works and what it does for the body, much of the rest of the book is given over to improvements.
That’s what the real strength of this book is: ways to make intermittent fasting more efficient, including how to avoid plateaus. After all, sometimes it can seem like the only way to push further with intermittent fasting is to restrict the eating window further. Not so!
Instead, Dr. Stephens gives us ways to keep confusing our metabolism (in a good way) if, for example, we had a weight loss goal we haven’t met yet.
Best of all, this comes without actually having to eat less.
Bottom line: if you want to be in good physical health, and/but also believe that life is for living and you enjoy eating food, then this book can resolve that age-old dilemma!
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The Real Reason Most Women Don’t Lose Belly Fat
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Notwithstanding the title, this does also go for men too, by the way—while hormones count, they count differently. People with an estrogen-based metabolism (so usually: women) will usually have more body fat, which can make it harder to get visible muscletone, for those who want that. But people with a testosterone-based metabolism (so usually: men) will have different fat storage patterns, and belly-fat is more testosterone-directed than estrogen-directed (estrogen will tend to put it more to the thighs, butt, back, breasts, etc).
So the advice here is applicable to all…
Challenges and methods
The biggest barrier to success: many people give up when results are not immediate, especially if our body has been a certain way without change for a long time.
- “Oh, I guess it’s just genetics”
- “Oh, I guess it’s just age”
- “Oh, I guess it’s just because of [chronic condition]”
…and such things can be true! And yet, in each of the cases, persisting is still usually what the body needs.
So, should we give ourselves some “tough love” and force ourselves through discomfort?
Yes and no, Lefkowith says. It is important to be able to push through some discomfort, but it’s also important that whatever we’re doing should be sustainable—which means we do need to push, while also allowing ourselves adequate recovery time, and not taking unnecessary risks.
In particular, she advises to:
- remember that at least half the work is in the kitchen not the gym, and to focus more on adding protein than reducing calories
- enjoy a regular but varied core exercise routine
- stimulate blood flow to stubborn areas, which can aid in fat mobilization
- focus on getting nutrient-dense foods
- prioritize recovery and strategic rest
For more details on these things and more, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Visceral Belly Fat: What It Is & How To Lose It
Take care!
Don’t Forget…
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