Nutrition Research News

November 7, 2025

Top Headlines

Weight-loss Drugs Like Ozempic May Also Curb Drug and Alcohol Addiction

Oct. 26, 2025 — GLP-1 drugs, originally developed for diabetes and obesity, may also curb addictive behaviors by acting on reward circuits in the brain. Early trials show reductions in alcohol intake, opioid seeking, and nicotine use. Though more research is ...

Scientists Say This Simple Diet Change Can Improve Sleep Fast

Oct. 25, 2025 — A new study shows that eating more fruits and vegetables during the day can significantly improve sleep that same night. Researchers found a clear link between diet quality and sleep depth, with participants who met the CDC’s daily produce ...

Running Fixes What Junk Food Breaks in the Brain

Oct. 21, 2025 — New research reveals that exercise counteracts the mood-damaging effects of a Western-style diet through specific gut and hormonal mechanisms. Running restored metabolites tied to mental well-being and balanced key hormones like insulin and leptin. ...

Eating Ultra-processed Foods May Rewire the Brain and Drive Overeating

Oct. 20, 2025 — A massive brain imaging study of nearly 30,000 people has uncovered striking connections between eating ultra-processed foods and measurable changes in brain structure. These changes may be tied to overeating and addictive eating patterns, though ...

Scientists Just Debunked the Calcium and Dementia Myth

Oct. 18, 2025 — A long-term Australian study found that calcium supplements do not raise dementia risk in older women, countering previous fears. The research followed more than 1,400 participants for nearly 15 years and revealed no harmful cognitive effects. ...

Supercharged Vitamin K Could Help the Brain Heal Itself

Oct. 14, 2025 — Researchers have synthesized enhanced vitamin K analogues that outperform natural vitamin K in promoting neuron growth. The new compounds, which combine vitamin K with retinoic acid, activate the mGluR1 receptor to drive neurogenesis. They also ...

Scientists Find Brain Circuit That Traps Alcohol Users in the Vicious Cycle of Addiction

Oct. 7, 2025 — Addiction often isn’t about chasing pleasure—it’s about escaping pain. Researchers at Scripps Research have discovered that a tiny brain region called the paraventricular nucleus of the ...

Why Ultra-processed Foods Aren’t the Real Villain Behind Overeating

Oct. 5, 2025 — Researchers from Leeds found that overeating is driven more by what people believe about food than by its actual ingredients or level of processing. Foods perceived as fatty, sweet, or highly processed were more likely to trigger indulgence. ...

Scientists Discover Hidden Protein That Switches Off Hunger

Oct. 5, 2025 — Researchers have uncovered how a protein called MRAP2 acts as a key regulator of hunger. It helps move the appetite receptor MC4R to the cell’s surface, allowing it to send stronger “stop eating” signals. The discovery offers new hope for ...

Think Light Drinking Protects Your Brain? Think Again

Oct. 4, 2025 — A massive new study combining observational and genetic data overturns the long-held belief that light drinking protects the brain. Researchers found that dementia risk rises in direct proportion to alcohol consumption, with no safe level ...

Fat May Secretly Fuel Alzheimer’s, New Research Finds

Oct. 3, 2025 — New research from Houston Methodist reveals how obesity may directly drive Alzheimer’s disease. Scientists discovered that tiny messengers released by fat tissue, called extracellular vesicles, can carry harmful signals that accelerate the buildup ...

Junk Food Can Scramble Memory in Just 4 Days

Sep. 29, 2025 — Scientists discovered that high-fat junk food disrupts memory circuits in the brain almost immediately. Within just four days, neurons in the hippocampus became overactive, impairing memory. Restoring glucose calmed the neurons, showing that ...

Latest Headlines

updated 12:12am EST

Scientists Discover How a High-Fat Keto Diet Could Keep Your Brain Young

Oct. 21, 2025 — Mizzou scientists are exploring how a ketogenic diet may protect the brain and prevent Alzheimer’s in people genetically predisposed to it. Their study found that female mice with the APOE4 gene ...

Why Gen X Women Can’t Stop Eating Ultra-Processed Foods

Sep. 29, 2025 — Researchers found that middle-aged adults, especially women, are far more likely to be addicted to ultra-processed foods than older generations. Marketing of diet-focused processed foods in the 1980s ...

Cocoa Supplements Show Surprising Anti-Aging Potential

Sep. 27, 2025 — Daily cocoa extract supplements reduced key inflammation markers in older adults, pointing to a role in protecting the heart. The findings reinforce the value of flavanol-rich, plant-based foods for ...

Brain Fat, Not Just Plaques, May Be the Hidden Driver of Alzheimer’s

Sep. 24, 2025 — For decades, scientists believed Alzheimer’s was driven mainly by sticky protein plaques and tangles in the brain. Now Purdue researchers have revealed a hidden culprit: fat. They found that brain ...

Want a Younger Brain? Harvard Researchers Say Eat Like This

Sep. 22, 2025 — Researchers have shown that a green-Mediterranean diet can help slow brain aging. By analyzing data from the DIRECT PLUS trial, scientists found reduced levels of proteins tied to faster brain ...

Could Plastic in Your Food Be Fueling Azheimer’s?

Sep. 18, 2025 — Plastic particles from everyday items like Styrofoam cups and take-out containers are finding their way into the brain, where they may trigger Alzheimer’s-like symptoms. New research shows that ...

Ozempic, Wegovy and Mounjaro Makes Food Taste Sweeter and Saltier, and That May Quiet Cravings

Sep. 16, 2025 — Some people taking Ozempic, Wegovy, or Mounjaro notice that food suddenly tastes sweeter or saltier, and this subtle shift in flavor perception ...

Semaglutide May Silence the Food Noise in Your Head

Sep. 16, 2025 — People taking semaglutide report far fewer obsessive thoughts about food, with cravings dropping sharply and mental health improving. This new research hints the drug may offer freedom from the ...

The Foods That Delay Dementia and Heart Disease. Backed by a 15-Year Study

Sep. 9, 2025 — What we eat as we age may determine how many chronic illnesses we face later in life. A 15-year study of more than 2,400 older adults reveals that diets rich in vegetables, whole grains, nuts, and ...

Seven Blood Molecules That Could Explain Why You’re Always Sleepy

Sep. 8, 2025 — Scientists discovered seven molecules in the blood linked to excessive daytime sleepiness, a condition that affects one in three Americans and raises the risk of heart disease, obesity, and diabetes. ...

Scientists Reveal How Breakfast Timing May Predict How Long You Live

Sep. 4, 2025 — Meal timing shifts with age, and researchers found that eating breakfast later is tied to depression, fatigue, sleep problems, and an increased risk of death. Monitoring when meals are eaten could ...

Sweeteners in Diet Drinks May Steal Years from the Brain

Sep. 4, 2025 — A large Brazilian study following more than 12,000 middle-aged adults found that those consuming the most artificial sweeteners—commonly found in diet sodas, flavored waters, and processed ...

Scientists Discover the Pancake Secret That Makes Vegan Eggs Irresistible

Aug. 12, 2025 — A study finds that people are more open to plant-based eggs when they’re part of familiar foods, like pancakes, rather than served plain. While taste and appearance still favor regular eggs, vegan ...

People With Eating Disorders Say Cannabis and Psychedelics Help More Than Antidepressants

July 24, 2025 — A massive global survey has revealed that people with eating disorders often turn to cannabis and psychedelics like magic mushrooms and LSD to ease their symptoms, rating them more effective than ...

Science Tested 64 Natural Remedies for Depression—only a Few Actually Work

July 28, 2025 — Over-the-counter (OTC) products like St John’s Wort and omega-3s have long been touted for helping with depression, but new research reveals that 64 different OTC products have been tested in ...

Researchers Tested 200 Toddlers — 96 Chemicals Were Lurking in Their Bodies

July 2, 2025 — Researchers testing urine from 2- to 4-year-olds in four U.S. states uncovered 96 different chemicals, many of them unmonitored and linked to hormone and brain disruption. Legacy toxins like ...

Is Cheese Secretly Fueling Your Nightmares? Science Weighs in

July 1, 2025 — Over a thousand students revealed a striking link between lactose intolerance and nightmare-filled nights, hinting that midnight stomach turmoil from dairy can invade dreams. Researchers suggest ...

Scientists Just Found a Sugar Switch That Protects Your Brain from Alzheimer's

June 30, 2025 — Scientists have uncovered a surprising sugar-related mechanism inside brain cells that could transform how we fight Alzheimer’s and other dementias. It turns out neurons don’t just store sugar ...

Scientists Discovered How a Scent Can Change Your Mind

July 4, 2025 — Mice taught to link smells with tastes, and later fear, revealed how the amygdala teams up with cortical regions to let the brain draw powerful indirect connections. Disabling this circuit erased the ...

Diabetes Drug Cuts Migraines in Half by Targeting Brain Pressure

June 20, 2025 — A common diabetes drug may be the next big thing for migraine relief. In a clinical study, obese patients with chronic migraines who took liraglutide, a GLP-1 receptor agonist, experienced over 50% ...

The Hunger Switch in Your Nose: How Smells Tell Your Brain to Stop Eating

June 12, 2025 — A team of scientists has discovered a direct link between the smell of food and feelings of fullness at least in lean mice. This brain circuit, located in the medial septum and triggered by food ...

Scientists Found the Brain Glitch That Makes You Think You’re Still Hungry

June 11, 2025 — A team of scientists has identified specialized neurons in the brain that store "meal memories" detailed recollections of when and what we eat. These engrams, found in the ventral ...

Brain Food Fight: Rutgers Maps the Hidden Switch That Turns Cravings on and Off

June 14, 2025 — Rutgers scientists have uncovered a tug-of-war inside the brain between hunger and satiety, revealing two newly mapped neural circuits that battle over when to eat and when to stop. These findings ...

Cutting Sugar Won’t Curb Your Sweet Tooth, Scientists Say

Aug. 12, 2025 — A six-month randomized trial challenges the idea that eating more sweet foods increases a person’s preference for sweetness. Participants on diets with high, low, or mixed sweetness levels showed ...

Newly Identified Group of Nerve Cells in the Brain Regulates Bodyweight

May 28, 2025 — Obesity is a global health problem that affects many people. In recent years, very promising anti-obesity drugs have been developed. Despite these successes, there are patients who do not respond to ...

Different Versions of APOE Protein Have Varying Effect on Microglia in Alzheimer's Disease

May 27, 2025 — A new study suggests how APOE2 is protective while APOE4 increases disease risk by regulating the brain's immune ...

Weight Loss Linked to Nerve Cells in the Brain

May 27, 2025 — Scientists at the University of Gothenburg have pinpointed a group of nerve cells in the brain stem that appear to be responsible for semaglutide’s appetite- and weight-controlling powers—without ...

Exercise and Eat Your Veggies: Privileged Prescriptions Like These Don't Always Reduce Risk of Heart Disease

May 22, 2025 — A leading cardiovascular disease researcher is ringing the alarm on universal recommendations intended to improve heart health around the globe. Cardiovascular disease (CVD) is the leading cause of ...

Thinking Peers Drink More Drives Risky Behavior

May 20, 2025 — The study explores how social influences, particularly peer pressure, impact substance use -- and misuse -- among young adults. A confidential online survey on alcohol use was given to 524 students ...

After Cardiac Event, People Who Regularly Sit for Too Long Had Higher Risk of Another Event

May 19, 2025 — Spending too much time sitting after a heart scare could be deadly. New research shows that patients who were sedentary for more than 14 hours a day in the month after leaving the hospital had a ...