No, sugar doesn’t make your kids hyperactive
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It’s a Saturday afternoon at a kids’ birthday party. Hordes of children are swarming between the spread of birthday treats and party games. Half-eaten cupcakes, biscuits and lollies litter the floor, and the kids seem to have gained superhuman speed and bounce-off-the-wall energy. But is sugar to blame?
The belief that eating sugary foods and drinks leads to hyperactivity has steadfastly persisted for decades. And parents have curtailed their children’s intake accordingly.
Balanced nutrition is critical during childhood. As a neuroscientist who has studied the negative effects of high sugar “junk food” diets on brain function, I can confidently say excessive sugar consumption does not have benefits to the young mind. In fact, neuroimaging studies show the brains of children who eat more processed snack foods are smaller in volume, particularly in the frontal cortices, than those of children who eat a more healthful diet.
But today’s scientific evidence does not support the claim sugar makes kids hyperactive.
The hyperactivity myth
Sugar is a rapid source of fuel for the body. The myth of sugar-induced hyperactivity can be traced to a handful of studies conducted in the 1970s and early 1980s. These were focused on the Feingold Diet as a treatment for what we now call Attention Deficit Hyperactivity Disorder (ADHD), a neurodivergent profile where problems with inattention and/or hyperactivity and impulsivity can negatively affect school, work or relationships.
Devised by American paediatric allergist Benjamin Feingold, the diet is extremely restrictive. Artificial colours, sweeteners (including sugar) and flavourings, salicylates including aspirin, and three preservatives (butylated hydroxyanisole, butylated hydroxytoluene, and tert-Butrylhdryquinone) are eliminated.
Salicylates occur naturally in many healthy foods, including apples, berries, tomatoes, broccoli, cucumbers, capsicums, nuts, seeds, spices and some grains. So, as well as eliminating processed foods containing artificial colours, flavours, preservatives and sweeteners, the Feingold diet eliminates many nutritious foods helpful for healthy development.
However, Feingold believed avoiding these ingredients improved focus and behaviour. He conducted some small studies, which he claimed showed a large proportion of hyperactive children responded favourably to his diet.
Flawed by design
The methods used in the studies were flawed, particularly with respect to adequate control groups (who did not restrict foods) and failed to establish a causal link between sugar consumption and hyperactive behaviour.
Subsequent studies suggested less than 2% responded to restrictions rather than Feingold’s claimed 75%. But the idea still took hold in the public consciousness and was perpetuated by anecdotal experiences.
Fast forward to the present day. The scientific landscape looks vastly different. Rigorous research conducted by experts has consistently failed to find a connection between sugar and hyperactivity. Numerous placebo-controlled studies have demonstrated sugar does not significantly impact children’s behaviour or attention span.
One landmark meta-analysis study, published almost 20 years ago, compared the effects of sugar versus a placebo on children’s behaviour across multiple studies. The results were clear: in the vast majority of studies, sugar consumption did not lead to increased hyperactivity or disruptive behaviour.
Subsequent research has reinforced these findings, providing further evidence sugar does not cause hyperactivity in children, even in those diagnosed with ADHD.
While Feingold’s original claims were overstated, a small proportion of children do experience allergies to artificial food flavourings and dyes.
Pre-school aged children may be more sensitive to food additives than older children. This is potentially due to their smaller body size, or their still-developing brain and body.
Hooked on dopamine?
Although the link between sugar and hyperactivity is murky at best, there is a proven link between the neurotransmitter dopamine and increased activity.
The brain releases dopamine when a reward is encountered – such as an unexpected sweet treat. A surge of dopamine also invigorates movement – we see this increased activity after taking psychostimulant drugs like amphetamine. The excited behaviour of children towards sugary foods may be attributed to a burst of dopamine released in expectation of a reward, although the level of dopamine release is much less than that of a psychostimulant drug.
Dopamine function is also critically linked to ADHD, which is thought to be due to diminished dopamine receptor function in the brain. Some ADHD treatments such as methylphenidate (labelled Ritalin or Concerta) and lisdexamfetamine (sold as Vyvanse) are also psychostimulants. But in the ADHD brain the increased dopamine from these drugs recalibrates brain function to aid focus and behavioural control.
Why does the myth persist?
The complex interplay between diet, behaviour and societal beliefs endures. Expecting sugar to change your child’s behaviour can influence how you interpret what you see. In a study where parents were told their child had either received a sugary drink, or a placebo drink (with a non-sugar sweetener), those parents who expected their child to be hyperactive after having sugar perceived this effect, even when they’d only had the sugar-free placebo.
The allure of a simple explanation – blaming sugar for hyperactivity – can also be appealing in a world filled with many choices and conflicting voices.
Healthy foods, healthy brains
Sugar itself may not make your child hyperactive, but it can affect your child’s mental and physical health. Rather than demonising sugar, we should encourage moderation and balanced nutrition, teaching children healthy eating habits and fostering a positive relationship with food.
In both children and adults, the World Health Organization (WHO) recommends limiting free sugar consumption to less than 10% of energy intake, and a reduction to 5% for further health benefits. Free sugars include sugars added to foods during manufacturing, and naturally present sugars in honey, syrups, fruit juices and fruit juice concentrates.
Treating sugary foods as rewards can result in them becoming highly valued by children. Non-sugar rewards also have this effect, so it’s a good idea to use stickers, toys or a fun activity as incentives for positive behaviour instead.
While sugar may provide a temporary energy boost, it does not turn children into hyperactive whirlwinds.
Amy Reichelt, Senior Lecturer (Adjunct), Nutritional neuroscientist, University of Adelaide
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Tips For Avoiding/Managing Rheumatoid Arthritis
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Avoiding/Managing Rheumatoid Arthritis
Arthritis is the umbrella term for a cluster of joint diseases involving inflammation of the joints, hence “arthr-” (joint) “-itis” (suffix used to denote inflammation). These are mostly, but not all, autoimmune diseases, in which the body’s immune system mistakenly attacks our own joints.
Inflammatory vs Non-Inflammatory Arthritis
Arthritis is broadly divided into inflammatory arthritis and non-inflammatory arthritis.
You may be wondering: how does one get non-inflammatory inflammation of the joints?
The answer is, in “non-inflammatory” arthritis, such as osteoarthritis, the damage comes first (by general wear-and-tear) and inflammation generally follows as part of the symptoms, rather than the cause. So the name can be a little confusing. In the case of osteo- and other “non-inflammatory” forms of arthritis, you definitely still want to keep your inflammation at bay as best you can, but it’s not as absolutely critical a deal as it is for “inflammatory” forms of arthritis.
We’ll tackle the beast that is osteoarthritis another day, however.
Today we’re going to focus on…
Rheumatoid Arthritis
This is the most common of the autoimmune forms of arthritis. Some quick facts:
- It affects a little under 1% of the global population, but the older we get, the more likely it becomes
- Early onset of rheumatoid arthritis is most likely to show up around the age of 50 (but it can show up at any age)
- However, incidence (not onset) of rheumatoid arthritis peaks in the 70s age bracket
- It is 2–4 times more common in women than in men
- Approximately one third of people stop work within two years of its onset, and this increases thereafter.
Well, that sounds gloomy.
Indeed it’s not fun. There’s a lot of stiffness and aching of joints (often with swelling too), loss of joint function can be common, and then there are knock-on effects like fatigue, weakness, and loss of appetite.
Beyond that it’s an autoimmune disorder, its cause is not known, and there is no known cure.
Is there any good news?
If you don’t have rheumatoid arthritis at the present time, you can reduce your risk factors in several ways:
- Having an anti-inflammatory diet. Get plenty of fiber, greens, and berries. Fatty fish is great too, as are oily nuts. On the other side of things, high consumption of salt, sugar, alcohol, and red meat are associated with a greater risk of developing rheumatoid arthritis.
- Not smoking. Smoking is bad for pretty much everything, including your chances of developing rheumatoid arthritis.
- Not being obese. This one may be more a matter of correlation than causation, because of the dietary factors (if one eats an anti-inflammatory diet, obesity is less likely), but the association is there.
There are other risk factors that are harder to control, such as genetics, age, sex, and having a mother who smoked.
See: Genetic and environmental risk factors for rheumatoid arthritis
What if I already have rheumatoid arthritis?
If you already have rheumatoid arthritis, it becomes a matter of symptom management.
First, reduce inflammation any (reasonable) way you can. We did a main feature on this before, so we’ll just drop that again here:
Next, consider the available medications. Your doctor may or may not have discussed all of the options with you, so be aware that there are more things available than just pain relief. To talk about them all would require a whole main feature, so instead, here’s a really well-compiled list, along with explanations about each of them, up to date as of this year:
Rheumatoid Arthritis Medication List (And What They Do, And How)
Finally, consider other lifestyle adjustments to manage your symptoms. These include:
- Exercise—gently, though! You do not want to provoke a flare-up, but you do want to maintain your mobility as best you can. There’s a use-it-or-lose-it factor here. Swimming and yoga are great options, as is tai chi. You may want to avoid exercises that involve repetitive impacts to your joints, like running.
- Rest—while keeping mobility going. Get good sleep at night (this is important), but don’t make your bed your new home, or your mobility will quickly deteriorate.
- Hot & cold—both can help, and alternating them can reduce inflammation and stiffness by improving your body’s ability to respond appropriately to these stimuli rather than getting stuck in an inappropriate-response state of inflammation.
- Mobility aids—if it helps, it helps. Maybe you only need something during a flare-up, but when that’s the case, you want to be as gentle on your body as possible while keeping moving, so if crutches, handrails etc help, then by all means get them and use them.
- Go easy on the use of braces, splints, etc—these can offer short-term relief, but at a long term cost of loss of mobility. Only you can decide where to draw the line when it comes to that trade-off.
You can also check out our previous article:
Managing Chronic Pain (Realistically!)
Take good care of yourself!
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Foods For Managing Hypothyroidism (incl. Hashimoto’s)
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Foods for Managing Hypothyroidism
For any unfamiliar, hypothyroidism is the condition of having an underactive thyroid gland. The thyroid gland lives at the base of the front of your neck, and, as the name suggests, it makes and stores thyroid hormones. Those are important for many systems in the body, and a shortage typically causes fatigue, weight gain, and other symptoms.
What causes it?
This makes a difference in some cases to how it can be treated/managed. Causes include:
- Hashimoto’s thyroiditis, an autoimmune condition
- Severe inflammation (end result is similar to the above, but more treatable)
- Dietary deficiencies, especially iodine deficiency
- Secondary endocrine issues, e.g. pituitary gland didn’t make enough TSH for the thyroid gland to do its thing
- Some medications (ask your pharmacist)
We can’t do a lot about those last two by leveraging diet alone, but we can make a big difference to the others.
What to eat (and what to avoid)
There is nuance here, which we’ll go into a bit, but let’s start by giving the
one-linetwo-line summary that tends to be the dietary advice for most things:- Eat a nutrient-dense whole-foods diet (shocking, we know)
- Avoid sugar, alcohol, flour, processed foods (ditto)
What’s the deal with meat and dairy?
- Meat: avoid red and processed meats; poultry and fish are fine or even good (unless fried; don’t do that)
- Dairy: limit/avoid milk; but unsweetened yogurt and cheese are fine or even good
What’s the deal with plants?
First, get plenty of fiber, because that’s important to ease almost any inflammation-related condition, and for general good health for most people (an exception is if you have Crohn’s Disease, for example).
If you have Hashimoto’s, then gluten (as found in wheat, barley, and rye) may be an issue, but the jury is still out, science-wise. Here’s an example study for “avoid gluten” and “don’t worry about gluten”, respectively:
- The Effect of Gluten-Free Diet on Thyroid Autoimmunity in Women with Hashimoto’s Thyroiditis
- Doubtful Justification of the Gluten-Free Diet in the Course of Hashimoto’s Disease
So, you might want to skip it, to be on the safe side, but that’s up to you (and the advice of your nutritionist/doctor, as applicable).
A word on goitrogens…
Goitrogens are found in cruciferous vegetables and soy, both of which are very healthy foods for most people, but need some extra awareness in the case of hypothyroidism. This means there’s no need to abstain completely, but:
- Keep serving sizes small, for example a 100g serving only
- Cook goitrogenic foods before eating them, to greatly reduce goitrogenic activity
For more details, reading even just the abstract (intro summary) of this paper will help you get healthy cruciferous veg content without having a goitrogenic effect.
(as for soy, consider just skipping that if you suffer from hypothyroidism)
What nutrients to focus on getting?
- Top tier nutrients: iodine, selenium, zinc
- Also important: vitamin B12, vitamin D, magnesium, iron
Enjoy!
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7 Signs of Undiagnosed Autism in Adults
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When it comes to adults and autism, there are two kinds of person in the popular view: those who resemble the Rain Man, and those who are making it up. But, it’s not so, as Paul Micallef explains:
The signs
We’ll not keep them a mystery; they are:
- Social interaction difficulties: such a person may struggle with understanding social cues, leading to awkwardness, isolation, or appearing eccentric.
- Need for structure and routine: either highly structured or disorganized, both of which stem from executive function challenges. The former, of course, is a coping mechanism, while the latter is the absence of same.
- Sensory sensitivities: can include sensitivities or insensitivities to light, sound, temperature, smells, tastes, and so forth.
- Spiky skillset: extreme strengths in certain areas, coupled with significant difficulties in others, leading to uneven abilities. May be able to dismantle and rebuild a PC, while not knowing how to arrange an Über.
- Emotional regulation issues: experiences of meltdowns, shutdowns, or withdrawal as coping mechanisms when overwhelmed. Not that this is “or”, not necessarily “and”. The latter goes especially unnoticed as an emotional regulation issue, because for everyone else, it’s something that’s not there to see.
- Unusual associations: making mental connections or associations that seem random or uncommon compared to others. The mind went to 17 places quickly and while everyone else got from idea A to idea B, this person is already at idea Q.
- Being “just different”: a general sense of being the odd one out, standing out in subtle or distinct ways. This is rather a catch-all, but if there’s someone who fits this, there’s a good chance, the other things apply too.
For more on all of these, whether pertaining to yourself or a loved one (or both!), enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
- 16 Overlooked Autistic Traits In Women
- What is AuDHD? 5 important things to know when someone has both autism and ADHD
Take care!
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Anti-Inflammatory Cookbook for Beginners – by Melissa Jefferson
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For some of us, avoiding inflammatory food is a particularly important consideration. For all of us, it should be anyway.
Sometimes, we know what’s good against inflammation, and we know what’s bad for inflammation… but we might struggle to come up with full meals of just-the-good, especially if we want to not repeat meals every day!
The subtitle is slightly misleading! It says “Countless Easy and Delicious Recipes”, but this depends on your counting ability. Melissa Jefferson gives us 150 anti-inflammatory recipes, which can be combined for a 12-week meal plan. We think that’s enough to at least call it “many”, though.
First comes an introduction to inflammation, inflammatory diseases, and a general overview of what to eat / what to avoid. After that, the main part of the book is divided into sections:
- Breakfasts (20)
- Soups (15)
- Beans & Grains (20)
- Meat (20)
- Fish (20)
- Vegetables (20)
- Sides (15)
- Snacks (10)
- Desserts (10)
If you’ve a knowledge of anti-inflammation diet already, you may be wondering how “Meat” and “Desserts” works.
- The meat section is a matter of going light on the meat and generally favoring white meats, and certainly unprocessed.
- Of course, if you are vegetarian or vegan, substitutions may be in order anyway.
As for the dessert section? A key factor is that fruits and chocolate are anti-inflammatory foods! Just a matter of not having desserts full of sugar, flour, etc.
The recipes themselves are simple and to-the-point, with ingredients, method, and nutritional values. Just the way we like it.
All in all, a fine addition to absolutely anyone’s kitchen library… And doubly so if you have a particular reason to focus on avoiding/reducing inflammation!
Get your copy of “Anti-Inflammatory Cookbook for Beginners” from Amazon today!
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The Borderline Personality Disorder Workbook – by Dr. Daniel Fox
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Personality disorders in general get a bad rep. In part, because their names and descriptions often focus on how the disorders affect other people, rather than how they affect the actual sufferer:
- “This disorder gives you cripplingly low self-esteem; we call it Evil Not-Quite-Human Disorder”
- “This disorder makes you feel unloveable; we call it Abusive Bitch Disorder”
- …etc
Putting aside the labels and stigma, it turns out that humans sometimes benefit from help. In the case of BPD, characterized by such things as difficult moods and self-sabotage, the advice in this book can help anyone struggling with those (and related) issues.
The style of the book is both textbook, and course. It’s useful to proceed through it methodically, and doing the exercises is good too. We recommend getting the print edition, not the Kindle edition, so that you can check off boxes, write in it (pencil, if you like!), etc.
Bottom line: if you or a loved one suffers from BPD symptoms (whether or not you/they would meet criteria for diagnosis), this book can help a lot.
Click here to check out the BPD Workbook, and retake control of your life!
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Here’s the latest you need to know about bird flu
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What you need to know
- Although bird flu continues to spread in wild birds, livestock, and humans, the risk to the public remains low.
- The majority of U.S. bird flu cases have been reported in farm workers who had direct contact with infected birds and cattle. Health officials are working to monitor the spread of the virus and improve protections for those most at risk.
- Recent data suggests that mutations in bird flu viruses could make them more dangerous to humans and potentially increase the risk of a pandemic.
- On January 6, Louisiana health officials confirmed the first U.S. death from bird flu.
Throughout 2024, dozens of human cases of H5N1 bird flu were detected as the virus spreads rapidly in livestock. The current risk to humans is low but not nonexistent. Here’s everything you need to know about the current status and future outlook of H5 bird flu in the United States.
Current U.S. bird flu status (as of January 6, 2025)
As of January 6, 66 human bird flu cases have been reported in eight states. Over half of all cases are in California. The state’s governor declared a state of emergency as a “proactive” action against bird flu on December 18.
On January 6, the Louisiana Department of Health reported the first U.S. bird flu death. The patient, a man over age 65, was previously confirmed to be the first severe bird flu case in the U.S. and the first case linked to backyard flocks. The department emphasized that the risk to the public is low and that no new cases or evidence of human transmission have been detected in the state.
All but two human bird flu cases this year were in farm workers who were exposed to infected livestock. The exposure source of the remaining cases—one in California and one in Missouri—is unknown.
The CDC reported on November 22 that a child in California tested positive for bird flu, the first known pediatric bird flu case in the U.S. However, it is unclear how the child contracted the virus, as they had no known contact with infected animals.
To date, there have been no reports of human transmission of bird flu during the current outbreak. Additionally, most human cases have not been severe, and no deaths have been reported. For these reasons, experts are confident that the bird flu risk to humans remains low.
“In the short term, there is very little threat,” Dr. Scott Roberts, an infectious diseases specialist with Yale Medicine said. “The risk for the general public is so low,” he emphasized to Yale Medicine.
How the U.S. is monitoring bird flu
The CDC continues to monitor the circulation of bird flu in humans as part of its year-round flu monitoring. The agency is also working to improve protections for farm workers, who are at the highest risk of contracting bird flu.
In November 2024, the CDC also announced expanded actions and updated guidance for farm workers, including improved access to and training for using personal protective equipment (such as N95 face masks), more rigorous testing procedures, and increased outreach. These updates followed a CDC report finding that 7 percent of participating dairy workers had signs of a recent bird flu infection. A second CDC study, also released in November, found inadequate use of personal protective equipment among dairy workers on farms with bird flu outbreaks.
After the H5N1 virus was found in raw milk being sold in California, the U.S. Department of Agriculture announced on December 6 that unpasteurized milk must be tested for bird flu. The USDA order also requires dairy farms with positive bird flu cases to cooperate with health officials in disease surveillance.
Is a bird flu pandemic possible?
In early November, a Canadian teen was hospitalized with bird flu caused by a virus that’s closely related to the H5N1 virus circulating in the U.S. The case has troubled experts for a few reasons.
First, it is Canada’s first human bird flu case where the patient was not infected while traveling, and the source of exposure is unknown. Second, the teen experienced severe symptoms and developed a lung infection requiring critical care, raising concern that bird flu infections may be more severe in younger people.
The final and biggest concern about the case is that genetic analysis revealed several changes in the virus’s DNA sequence, called mutations, that could potentially make the virus better able to infect humans. Researchers say that two of those mutations could make it easier for the virus to infect humans, and another one may make it easier for the virus to replicate after infecting a human. However, it’s unclear if the changes occurred before or after the teen was infected.
Scott Hensley, a professor of microbiology at the University of Pennsylvania, told Nature that “this should serve as a warning: this virus has the capacity to switch very quickly into a form that can cause severe disease.”
Notably, even in this more severe case, there is still no evidence of human transmission, which is necessary for a potential bird flu pandemic. However, the case underscores the risk of new and potentially dangerous mutations emerging as the H5N1 virus continues to spread and multiply.
A study published in Science on December 5 found that a genetic change on a protein on the surface of the virus could make it easier for the virus to attach to and infect human cells. But none of the mutations observed in the Canadian case are those identified in the study.
Importantly, the researchers stressed that the ability of the virus to attach to a specific part of human cells “is not the only [factor] required for human-to-human transmission of influenza viruses.”
How to stay safe
Most people are not at high risk of being exposed to bird flu. The virus is spreading between animals and from animals to humans through direct contact. The CDC recommends avoiding the consumption of raw milk products and direct contact with wild birds and potentially infected livestock.
“Pasteurization kills the bird flu virus and other harmful germs that can be found in raw milk,” says a November 24 California Department of Public Health press release. “CDPH advises consumers not to drink raw milk or eat raw milk products due to the risk of foodborne illnesses.”
Additionally, although the annual flu shot does not protect against bird flu, getting vaccinated helps prevent infection with seasonal flu and bird flu at the same time. In very rare instances, getting infected by two influenza viruses at the same time can result in a combination of genetic material that produces a new virus.
This phenomenon, known as antigenic shift, triggered the 2009 swine flu pandemic.
Learn more about how to protect yourself and your loved ones against bird flu.
For more information, talk to your health care provider.
This article first appeared on Public Good News and is republished here under a Creative Commons license.
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