Healthy Aging

Heavy Periods and Diet Combine to Raise Iron Deficiency Risk in Teen Girls

A study of Swedish teens found iron deficiency was far more common among girls with heavy menstrual bleeding, especially when paired with meat-restricted diets.

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.

Heart-Healthy Eating Linked to Longer Survival After Cancer

An Italian study suggests cancer survivors who follow healthier eating patterns and other heart-protective habits may live longer than those who do not.

Many Parents Struggle to Guide Teens’ Eating, Poll Finds

A national survey suggests parents notice concerning eating patterns but often lack practical tools, especially during food-focused celebrations.

What a Major Review Reveals About Plant-Based Diets for Kids

A new analysis of nearly 50,000 children finds vegetarian and vegan diets can support healthy growth when well planned, but certain nutrient shortfalls remain a concern.

School Meals Linked to Small but Real Gains in Kids’ Health and Learning

A new Cochrane review finds that free or subsidized school meals modestly improve math scores, enrollment and growth for children in low- and middle-income countries.

What Coffee and Tea Really Mean for Bone Health as You Age

A decade-long study of nearly 10,000 older women finds tea may slightly support bone density, while very high coffee intake could work against it.

Dark Chocolate Compound Linked to Signs of Slower Biological Aging

A large human study finds that higher blood levels of theobromine, a compound from cocoa, are associated with younger biological age.

Grocery Deliveries Help Improve Blood Sugar for People with Diabetes

A 12-week program providing medically tailored foods led to meaningful improvements in HbA1c.

Can Polyphenol-Rich Foods Help Lower Inflammation as We Age?

A clinical trial in adults 60 and older suggests certain plant foods may support healthier aging by influencing inflammation and gut microbes.

Can Vitamin C from Food Help Support Skin Renewal?

Researchers found that eating more vitamin C–rich foods increased skin vitamin C levels and supported measurable changes linked to collagen and cell renewal.

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.

Why Your Gut May Unlock Different Benefits from the Same Healthy Foods

A new global analysis shows that people vary widely in the enzymes their gut bacteria use to break down plant compounds.

Daily Multivitamins Show Small Benefits for Some Older Adults

New findings from the COSMOS study show no overall effect on blood pressure, but small improvements in people with lower-quality diets or normal baseline readings.

Early Humans Ate More Processed Plants Than Paleo Myths Suggest

New archaeological research shows our ancestors ground, cooked and transformed plant foods long before farming began.

How Your Neighborhood Shapes What You Eat and Even Your Weight

A 14-year Australian study finds that people gradually take on the eating habits of their new community, offering fresh insight into how place influences health.

Low Iron Intake May Weaken Flu-Fighting Immune Cells, Study Finds

New mouse research suggests that iron deficiency could have lingering effects on how lung immune cells respond to viral infections.

Changing Sweetness Levels Didn’t Change Cravings

A new clinical trial finds that eating more or less sweet-tasting foods doesn’t shift preferences or key health markers.

Foods Rich in Polyphenols May Support Better Heart Health Over Time

A long-term study of more than 3,000 adults suggests that diets featuring tea, coffee, berries and whole grains are linked to healthier cardiovascular risk scores.

How Gut-Derived Molecules May Shape Obesity and Diabetes Risk

A new study maps the metabolites that move from the intestine to the liver and into circulation, offering clues to how diet and the microbiome influence metabolic health.

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.

Who Gets the Most from the Mediterranean Diet? A New Clue

A new study finds that one post-meal biomarker could help identify which people see the largest improvements in insulin resistance while following a calorie-restricted Mediterranean diet.

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.

Reducing Ultraprocessed Foods Improved Metabolism in Older Adults

An 18-week feeding trial found that shifting to more simply prepared foods helped older adults eat less and improve insulin sensitivity without dieting.