Brain Health

Mediterranean Diet Linked to Lower Stroke Risk in Women

A long-term study of more than 100,000 women found lower rates of ischemic and hemorrhagic stroke among those who most closely followed a Mediterranean-style eating pattern.

Ketogenic Diet Shows Modest Benefit in Depression Trial

A randomized clinical trial found short-term symptom improvement compared with a control diet, but researchers caution the clinical importance remains unclear.

Can Diet Play a Role in Teen Mental Health? New Review Finds Clues, Gaps

A review of 19 studies suggests overall diet quality may be linked to adolescent mental health, but researchers say stronger evidence is still needed.

How Metabolic Health May Shape Dementia Risk Over Time

A long-term study links diabetes, blood pressure and other modifiable factors to brain changes tied to Alzheimer’s and vascular dementia.

How TikTok Shapes What Young People Want to Eat

A new study suggests food trends, influencers and algorithms play a measurable role in shaping dietary preferences among young users.

Where Nitrate Comes from May Matter for Brain Health

A long-term Danish study finds lower dementia risk linked to nitrate from vegetables, while nitrate from drinking water and some animal foods was tied to higher risk, highlighting the importance of dietary context.

Post-Meal Blood Sugar Spikes May Be Linked to Higher Alzheimer’s Risk

A large genetic analysis suggests how the body handles glucose after eating could influence long-term brain health.

Certain Full-Fat Dairy Foods Stand Apart in Dementia Research

A long-term Swedish study found people who ate more high-fat cheese and cream had lower rates of dementia, though researchers caution the findings do not prove cause and effect.

Lower-Glycemic Carbohydrate Choices Linked to Lower Dementia Risk

In a large U.K. cohort, diets emphasizing lower–glycemic index foods were associated with reduced risk of Alzheimer’s disease and other dementias over more than a decade of follow-up.

Hunger’s Real Mood Trigger May Be What You Feel, Not Your Blood Sugar

A four-week study finds that people get irritable when they notice they are hungry, not simply when glucose drops.

A Month Without Alcohol May Improve Sleep, Mood & Energy

A look at Dry January research shows even a temporary break can help some people reset their habits.

Daily Coffee May Support Cellular Aging in People with Serious Mental Illness

A new study links three to four cups a day with longer telomeres, a marker tied to biological aging, while finding no benefit with higher intake.

Low Choline Intake May Worsen Early Metabolic Stress Tied to Brain Health

A new study in young adults links low choline levels to higher inflammation and early signs of neuronal stress, underscoring the importance of getting enough choline from foods like beans, soy, eggs, fish and cruciferous vegetables.

Gluten Sensitivity May Be More About the Gut–Brain Connection Than Gluten

A new Lancet review suggests that most people who think they react to gluten are responding to other parts of wheat, fermentable carbohydrates or the way their brain interprets gut sensations.

Mouse Study Finds Midlife Weight Loss May Affect the Brain Differently

New research suggests that weight loss in midlife restores metabolic health but triggers a temporary spike in brain inflammation in key regions that regulate appetite and energy balance.

A New Look at How GLP-1 Medications May Shape 'Food Noise' in the Brain

A unique look inside the brain of a woman with obesity suggests tirzepatide may temporarily quiet food-related brain activity, but the effect may not last.

Low-Glutamate Eating Shows Early Signs of Helping Migraines

Preliminary findings in veterans with Gulf War Illness link reduced added glutamate to fewer migraines and measurable brain changes.

Low Omega-3 Intake Linked to More ADHD Symptoms in Adolescents

A new study from Palestine adds global evidence that diets low in omega-3 fatty acids, found in foods like fish, nuts and seeds, may be tied to attention and behavioral difficulties in early adolescence.

Could Eating More Eggs, Fish and Soy Help Ease Anxiety?

A new brain study links lower levels of choline, an essential nutrient found in many everyday foods, to anxiety disorders.

Peanut Study Links Daily Intake to Better Brain Blood Flow and Memory

A small clinical trial found that older adults who ate skin-roasted peanuts daily showed improvements in brain circulation and verbal memory.

What Your Waistline May Reveal About Brain Health After Menopause

New research links excess belly fat to faster cognitive decline, underscoring how metabolic and hormonal changes in midlife can shape the brain’s long-term resilience.

Good Heart Habits May Help Protect the Brain in People with Diabetes

A 13-year study suggests that strong cardiovascular health may reduce dementia risk in adults with Type 2 diabetes, even among those with a high genetic risk.

Skipping Breakfast May Not Hurt Your Focus After All

A large review finds that short-term fasting doesn’t impair thinking ability in most healthy adults, though kids may still need that morning meal to stay sharp.

What the Gut’s 'Second Brain' Reveals About Immune and Digestive Health

New research from Mass General Brigham shows how gut neurons respond to bacteria, parasites and allergens, offering clues to how the body stays in balance.

Early Gut Microbes May Shape Kids’ Emotional Health

A UCLA study links toddlers’ gut bacteria to brain networks tied to anxiety and depression years later.