Magnesium has always had a quiet, behind-the-scenes job in the body. It helps nerves communicate, muscles contract, blood pressure stay regulated, and hundreds of enzymes do their work [1]. So it is not surprising that supplement makers, researchers, and consumers have wondered whether magnesium might also matter for the brain. A new randomized clinical trial adds an interesting piece to that puzzle: in adults with poor sleep, six weeks of magnesium L-threonate, sold under the ingredient name Magtein, was linked with better scores on some cognitive tests and an estimated 7.5-year improvement in cognitive age compared with placebo [2].

Survodutide is not approved as a consumer treatment for fatty liver disease. That is the first bucket to keep the facts in. The second bucket is more interesting: a new phase 3 trial gives the drug a real reason to be watched closely. Phase 3 means the treatment has moved past small early studies and is being tested in a larger, more serious way before regulators decide what to do with it. The SYNCHRONIZE-MASLD study tested once-weekly survodutide, an injectable drug that turns on two body signaling systems: the glucagon receptor and the GLP-1 receptor. GLP-1 is the family of signals made famous by newer weight-loss and diabetes drugs. Glucagon is a different signal involved in how the body handles stored fuel. Put them together and you get a drug designed to push on weight, blood sugar, fat metabolism, and possibly the liver itself [1].

Nattokinase sounds like a lab-made drug, but it starts in a very ordinary place: natto, the sticky fermented soybean food popular in Japan. During fermentation, Bacillus subtilis var. natto produces an enzyme that can break down fibrin, one of the protein threads that helps blood clots hold together. That basic fact explains why nattokinase has attracted so much attention for heart and blood-vessel health. It also explains why the claims around it need careful handling. An enzyme that nudges clotting biology is not the same thing as a proven replacement for aspirin, statins, blood-pressure medicine, or anticoagulants

Vitamin C has been around the wellness world so long that it almost feels boring. People associate it with oranges, immune support, and avoiding scurvy. So it was surprising when a 2026 Cell Metabolism study put vitamin C into a much more modern aging-science story. The researchers proposed a new aging pathway they called "ferro-aging," centered on iron buildup, lipid damage, and an enzyme called ACSL4. Even more attention-grabbing, they reported that long-term vitamin C treatment in aged monkeys reduced several ferro-aging signatures, improved some neurological and metabolic measures, and shifted multi-omic aging clocks in a younger direction

The switch is mTORC1 on one side, AMPK on the other, and a molecular logic that was built for a world of alternating feast and famine. In that world, the switch flipped regularly. Neither side stayed dominant for long. The modern environment broke that rhythm — and when the switch got stuck, something else happened that is more consequential than a switch simply being in the wrong position. A feedback loop formed. The stuck switch began generating the conditions that kept it stuck. And once that loop is running, the familiar tools — eating less, trying harder, starting over — can make it worse rather than better.

Part One: The Switch You have done everything right. You cut the calories, gave up the bread, the wine, the desserts that used to feel like a reasonable reward for getting through the week. For a while it worked. Then it stopped

By Donna Wright

Edited and approved by Stephen C. Rose, Ph.D.

Why Vitamin D Comes Up So Often in Aging Research

Without enough Vitamin D, bone health suffers- that much is clear, the rest is a bit murky.. Researchers have linked vitamin D status with immune function, cardiometabolic health,...

By Donna Wright

Edited and approved by Stephen C. Rose, Ph.D.

November 11, 2025

Imagine a nutrition cop kicking in your kitchen door, pointing at your plate, and announcing that five foods beginning with the letter P are trying to shorten your life. Pizza. Pasta. Protein. Potatoes. Pane. It sounds...

ByDonnaWright

EditedandapprovedbyStephenRose,PhD

Carotenoids are natural pigments made by plants, algae, and certain bacteria. They are responsible for many of the red, orange, and yellow colors seen in foods, and more than 600 carotenoids have been identified. In human nutrition, carotenoids...

By Noah Grossman

Edited and approved by Stephen C. Rose, Ph.D.

At some point a place becomes famous for a strange reason. Not because it built the tallest building or exported the flashiest technology, but because its older people just kept hanging around—gardening, walking, cooking, arguing, and...

DoesDrinkingLeadtoLongevity?

ByDonnaWright

EditedandApprovedbyStephenC.RosePhD

Put the Wine Glass Down if You Want to Live Longer

We have all heard the story about someone who lived to 100 and credited a nightly glass of wine. Anecdotes like that are memorable, but they are not evidence. Current...

by: Noah Grossman

Edited and approved by Stephen C. Rose, PhD

Fasting has been part of human life for centuries, for religious, cultural, and practical reasons. In modern health research, the most-studied approaches are intermittent fasting, alternate-day fasting, and time-restricted eating. These...

Donna Wright

Why is Plant-Based Eating Gaining Popularity These Days?

Many people are becoming more focused on plant-based eating. Why? …

Some may want to reap the health benefits, others may want to lose weight, and still others may be ethically against the innocent killing of fish and animals.

One...

By Caitlin Taylor So

Edited and approved by Stephen C. Rose, Ph.D.

Nitric oxide is one of those molecules that sounds suspiciously like a wellness scam. You hear the name and immediately picture a man in wraparound sunglasses trying to sell you a crimson pre-workout powder with a title like...

by: Donna Bell

Could a Calorie-Restricted Diet Slow Aging?

ByDonnaBell

EditedandApprovedbyStephenC.Rose,PhD

Calorie restriction has fascinated aging researchers for decades. In animals, reducing calorie intake without causing malnutrition can extend lifespan in many species. In humans, the evidence...