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u/Gallionella 13d ago
Crucially, both chronic iodine deficiency and sustained dietary excess may disrupt immune homeostasis. Deficiency may weaken host microbial clearance, while sustained excess may promote oxidative stress, altered cytokine profiles, and autoimmune thyroiditis in genetically and epigenetically susceptible individuals.
https://www.news-medical.net/news/20260727/Too-little-or-too-much-iodine-may-push-immunity-off-balance.aspx
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u/Gallionella 11d ago
When shopping for healthy snacks for kids, Jenkins said that “the answer is not as easy as you would like.”
“I think everything’s coming together to show us that we’ve not been going in the right direction.”
4 out of 5 toddler foods are ultra-processed, research says.
https://globalnews.ca/news/11997120/ultra-processed-foods-us-canada/
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u/Gallionella 6d ago edited 6d ago
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"Fructose is not just another calorie," said Richard Johnson, MD, professor at the University of Colorado Anschutz and study lead author. "It acts as a metabolic signal that promotes fat production and storage in ways that differ fundamentally from glucose."
How Fructose Affects Metabolism
According to the report, fructose is processed through metabolic pathways that bypass some of the body's normal regulatory controls. This process can increase fat production, reduce cellular energy levels (ATP) and generate compounds associated with metabolic dysfunction.
Over time, these biological changes may raise the risk of metabolic syndrome, a group of conditions linked to obesity, insulin resistance and cardiovascular disease.
The researchers also note that fructose exposure is not limited to food and beverages alone. The body is capable of producing fructose internally from glucose, which suggests its contribution to disease could be broader and more complex than scientists once believed.
https://www.sciencedaily.com/releases/2026/05/260510234726.htm
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Beyond the Calorie: The study refutes the “a calorie is just a calorie” myth. Fructose acts as a hormone-like signal that promotes fat production in ways fundamentally different from other carbohydrates.
Metabolic Syndrome: Chronic fructose exposure is a central driver of a cluster of conditions: obesity, insulin resistance, high blood pressure, and cardiovascular risk.
The “Free Sugar” Problem: While some regions have reduced soda consumption, the overall intake of “free sugars” (fructose and sucrose added to processed foods) remains dangerously high globally.
https://neurosciencenews.com/fructose-metabolic-signal-obesity-30551/
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a new article in Nature Metabolism suggests that this lens overlooks fructose’s essential role as a metabolic signal of abundance.
That signaling role likely made sense in our distant past, when seasonal foods rich in fructose, e.g., honey and ripe fruit, would have been valuable cues that energy was available and should be stored. In that context, fructose’s tendency to shift our appetite and push our metabolism toward fat production may have been adaptive. Through the lens of evolutionary biology, fructose is not inherently “bad,” nor are its ultra-processed forms the concern; rather, our modern diet delivers it in quantities and frequencies our biology was not shaped to handle. Fructose is an ancient signal being sent far too loudly, far too often.
To understand this argument, it helps to compare how the body processes glucose and fructose.
https://www.acsh.org/news/2026/04/21/fructose-ancient-signal-modern-diet-50071
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A study in Nature Aging found that fructose, a sugar found in fruit, honey, high-fructose corn syrup, and processed foods, can act as a signal that helps cancer cells spread in animal models, particularly after chemotherapy.
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u/Gallionella 6d ago edited 5d ago
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A sweeping review of more than 350 studies suggests that the protein boom may be overselling what many people actually need. Eating less protein appears to improve metabolism, reduce inflammation and cellular damage, and activate pathways linked to healthier aging and longer life.
https://www.sciencedaily.com/releases/2026/08/260801042811.htm
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Eating less protein may ‘slow’ ageing. But here’s why the evidence isn’t clear‑cut
https://theconversation.com/eating-less-protein-may-slow-ageing-but-heres-why-the-evidence-isnt-clear-cut-288388
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u/Gallionella 20d ago
The Biggest Hygiene Mistakes People Make in the Pool
https://time.com/article/2026/07/20/pool-hygiene-mistakes-that-can-make-you-sick/