Researchers found small differences in brain structure among children who consumed more caffeine, but it's unclear whether caffeine itself was responsible.
A new review explains why pistachios are attracting attention in sleep research, but human trials have not yet shown that eating them improves sleep.
Computer modeling suggests the timing of the kidneys’ daily sodium cycle could help explain why some people’s blood pressure stays elevated at night.
Children whose mothers reported the poorest sleep gained weight differently through age 2, but the study did not show that poor sleep caused obesity.
A study of couples found that when one partner slept poorly, both people were more likely to report less healthy eating habits.
Experts say success should be measured by changes in things like blood sugar, sleep, mobility and quality of life, not just pounds lost.
A mouse study found that regular eating patterns helped organize daily activity in the liver, offering new clues about why when we eat may matter.
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.
An athlete-focused review explores how shifting sleep and meal schedules may affect digestion and gut microbial rhythms, but direct evidence in travelers remains limited.
A new American Heart Association scientific statement finds that moderate caffeinated coffee consumption does not appear to raise cardiovascular risk for most adults, though individual responses and caffeine sources vary.
A study of New Zealand women linked evening chronotypes with later eating patterns, higher body fat and less favorable metabolic measures, but it could not show that meal timing caused those differences.
A study of healthy 18-year-olds found longer sleep was linked with fewer next-day blood sugar swings, but researchers say diet, activity and daily routines may also play a role.
A large observational study found differences in diet, strength activity and sleep across menopause and hormone therapy groups, but the results do not show that hormone therapy caused healthier habits.
A new review suggests caffeine can affect sleep quality in ways people may not notice, including changes in brain activity tied to deeper rest.
A new study finds that sleep patterns and diet both influence immune function, but through separate biological pathways tied to inflammation and long-term health.
A study suggests teens who go to bed and wake up later tend to eat more, snack more and be less physically active than earlier sleepers.
A large UK study suggests diet may influence how circadian disruption affects coronary risk.
Aligning overnight fasting with sleep improved heart and metabolic markers in a small NIH-funded trial.
A new consensus statement outlines where evidence supports nutrition, movement, sleep and other daily habits as foundational tools alongside standard care for major depressive disorder.
A new medical review finds strong evidence for some clinical uses, but major gaps in safety data for routine use in otherwise healthy kids.
A new analysis of national health data suggests that glycemic status, diabetes control and certain eating patterns are linked to sleep duration and sleep quality.
A controlled sleep study found that short or irregular weekday sleep disrupted how young adults processed glucose, even after two nights of extra rest.
A new neuroscience study in fruit flies offers clues to why poor sleep can lead to overeating and why fixing sleep habits may help restore balance.
A five-year review of more than 130,000 adults with insomnia found higher rates of heart failure and death among long-term melatonin users, though researchers say more study is needed.
A long-term study finds that later breakfasts and shifting meal schedules may signal health risks and shorter lifespan.
