Gut Bacteria May Be Linked to Brain Chemistry in Humans

A small human study found connections between the gut microbiome and chemicals measured in different parts of the brain, offering new clues about the gut-brain connection.

Sep 3, 2026

•

2 min read

Sleep Health

Teachers Reported More Student Hunger After Free School Meals Ended

A small qualitative study in Anchorage, Alaska, found teachers noticed less participation in school meals, more hunger and more worry about meal costs after a federal universal free meal policy expired.

Sep 3, 2026

•

2 min read

Nutrition Science

Longevity

A GLP-1 Drug Extended Lifespan in Older Mice

The treatment produced some of the same benefits as eating fewer calories and appeared to improve several measures beyond what calorie restriction alone could explain.

Sep 4, 2026

•

3 min read

Vitamin B12 Levels in Both Parents Were Linked to Lower Birth Defect Risk

A large study in China found that higher vitamin B12 levels in mothers and fathers before conception were associated with fewer birth defects, suggesting nutrition before pregnancy may matter for both parents.

Sep 1, 2026

•

2 min read

Nutrition Science

Western-Style Diet Worsened Genetic Fertility Problems in Mice

A high-fat, high-sugar diet made infertility more severe in mice with a genetic susceptibility, raising questions about whether lifestyle could help explain why the same fertility-related mutations affect men differently.

Sep 1, 2026

•

3 min read

Nutrition Science

Most Popular

A Vegan Diet Lowered Calories Without Shrinking Food Volume

Adults ate about the same weight of food after adding more vegetables, fruit and beans, but the analysis cannot prove lower energy density caused their weight loss.

Aug 9, 2026

•

3 min read

Daily Sugary Drinks Linked to Higher Stomach Cancer Risk

A long-running U.S. study found an association between daily sugary drink intake and stomach cancer, but the cancer was uncommon and the study cannot prove the drinks were responsible.

Aug 19, 2026

•

2 min read

Longer Meal Gaps Linked to Faster Disease Buildup in Older Adults

The association was strongest after age 78, suggesting that long fasting windows may not have the same implications in advanced age.

Aug 25, 2026

•

3 min read

Latest Posts

VIEW ALL

A GLP-1 Drug Extended Lifespan in Older Mice

The treatment produced some of the same benefits as eating fewer calories and appeared to improve several measures beyond what calorie restriction alone could explain.

Sep 4, 2026

•

3 min read

Smartwatch Calorie Counts May Be Less Precise Than They Look

A small laboratory study found that four popular smartwatches often missed the mark on calories burned during cycling, with errors tending to grow as body fat increased.

Sep 4, 2026

•

2 min read

Smartwatch Calorie Counts May Be Less Precise Than They Look

Gut Bacteria May Be Linked to Brain Chemistry in Humans

A small human study found connections between the gut microbiome and chemicals measured in different parts of the brain, offering new clues about the gut-brain connection.

Sep 3, 2026

•

2 min read

Teachers Reported More Student Hunger After Free School Meals Ended

Sep 3, 2026

•

2 min read

A Simple Freezing Method Gives Beans and Lentils a New Texture

Researchers found that freezing cooked legumes in one direction can create firmer, layered textures without first breaking them down into isolated ingredients.

Sep 2, 2026

•

3 min read

A Simple Freezing Method Gives Beans and Lentils a New Texture

5 FOODS LINKED TO BETTER BRAIN HEALTH

Certain foods appear again and again as part of eating patterns linked to better brain function.

Subscribe to the Science of Eating to download our 5 Foods Linked to Better Brain Health.

Gut Bacteria May Be Linked to Brain Chemistry in Humans

Teachers Reported More Student Hunger After Free School Meals Ended

A GLP-1 Drug Extended Lifespan in Older Mice

Vitamin B12 Levels in Both Parents Were Linked to Lower Birth Defect Risk

Western-Style Diet Worsened Genetic Fertility Problems in Mice

Most Popular

A Vegan Diet Lowered Calories Without Shrinking Food Volume

Daily Sugary Drinks Linked to Higher Stomach Cancer Risk

Longer Meal Gaps Linked to Faster Disease Buildup in Older Adults

Latest Posts

A GLP-1 Drug Extended Lifespan in Older Mice

Smartwatch Calorie Counts May Be Less Precise Than They Look

Gut Bacteria May Be Linked to Brain Chemistry in Humans

Teachers Reported More Student Hunger After Free School Meals Ended

A Simple Freezing Method Gives Beans and Lentils a New Texture

Gut Health

Heart Health

Cancer

Weight Loss

Diabetes

Brain Health

Longevity

Immune Health

Men's Health

Women's Health

Healthy Aging

Hormone Health

Behavior & Psychology

Food Safety

Sleep Health

THE SCIENCE OF EATING