Caffeine May Change How Deeply Your Brain Sleeps

A new review suggests caffeine can affect sleep quality in ways people may not notice, including changes in brain activity tied to deeper rest.

May 28, 2026

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3 min read

Nutrition Science

Small Trial Adds Nuance to the 100% Fruit Juice Debate

A new study found lower depression scores among adults who added juice or smoothies while increasing produce intake, but the findings come from a small industry-funded trial.

May 28, 2026

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3 min read

Nutrition Science

Are Dairy Trans Fats the Same as Industrial Trans Fats?

A new review found no clear link between naturally occurring dairy trans fats and higher heart disease or type 2 diabetes risk, but the dairy-funded study needs careful context.

May 29, 2026

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2 min read

Structured Healthy Habits May Help Older Adults Reduce Frailty

A two-year randomized clinical trial found older adults at risk for cognitive decline improved more on a frailty measure when lifestyle changes included coaching, goal setting and accountability.

May 26, 2026

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2 min read

Nutrition Science

Some Food Preservatives Tied to Higher Blood Pressure Risk

A large French study found higher intake of certain preservative additives from processed foods was associated with higher risks of hypertension and cardiovascular disease.

May 25, 2026

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3 min read

Nutrition Science

Most Popular

Higher Egg Intake Linked to Lower Alzheimer’s Risk in Long-Term Study

A large observational study of older adults found that people who ate eggs more often were less likely to be diagnosed with Alzheimer’s disease over time, though researchers cannot say eggs themselves were the cause.

May 6, 2026

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1 min read

Eating More Beans, Soy Linked to Reduced Risk of High Blood Pressure

A major review of long-term studies found people who ate more legumes and soy foods were less likely to develop high blood pressure, though the research cannot prove these foods alone were responsible.

May 10, 2026

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1 min read

Can a Month of Diet Changes Really Make You ‘Biologically Younger?’

A small randomized trial in older adults found that four weeks of dietary changes improved some biomarkers tied to biological age, but that does not mean aging itself was reversed.

May 12, 2026

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1 min read

Latest Posts

Are Dairy Trans Fats the Same as Industrial Trans Fats?

A new review found no clear link between naturally occurring dairy trans fats and higher heart disease or type 2 diabetes risk, but the dairy-funded study needs careful context.

May 29, 2026

•

2 min read

Could Guava Juice Help with Iron Levels? What the Evidence Shows

A new review suggests guava juice may boost hemoglobin when paired with iron supplements, but experts say it is not a replacement for anemia treatment.

May 29, 2026

•

3 min read

Could Guava Juice Help with Iron Levels? What the Evidence Shows

Caffeine May Change How Deeply Your Brain Sleeps

A new review suggests caffeine can affect sleep quality in ways people may not notice, including changes in brain activity tied to deeper rest.

May 28, 2026

•

3 min read

Small Trial Adds Nuance to the 100% Fruit Juice Debate

A new study found lower depression scores among adults who added juice or smoothies while increasing produce intake, but the findings come from a small industry-funded trial.

May 28, 2026

•

3 min read

A Father’s Metabolic Health May Matter Before Conception

New research points to sperm signals that may help explain how paternal obesity could influence offspring metabolism, but the strongest evidence so far comes from mice.

May 27, 2026

•

3 min read

A Father’s Metabolic Health May Matter Before Conception

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.

Caffeine May Change How Deeply Your Brain Sleeps

Small Trial Adds Nuance to the 100% Fruit Juice Debate

Are Dairy Trans Fats the Same as Industrial Trans Fats?

Structured Healthy Habits May Help Older Adults Reduce Frailty

Some Food Preservatives Tied to Higher Blood Pressure Risk

Most Popular

Higher Egg Intake Linked to Lower Alzheimer’s Risk in Long-Term Study

Eating More Beans, Soy Linked to Reduced Risk of High Blood Pressure

Can a Month of Diet Changes Really Make You ‘Biologically Younger?’

Latest Posts

Are Dairy Trans Fats the Same as Industrial Trans Fats?

Could Guava Juice Help with Iron Levels? What the Evidence Shows

Caffeine May Change How Deeply Your Brain Sleeps

Small Trial Adds Nuance to the 100% Fruit Juice Debate

A Father’s Metabolic Health May Matter Before Conception

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