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Have you ever wondered why you toss and turn some nights while sleeping like a baby on others? The answer might be flowing through your bloodstream right now. Your hormones—those mighty chemical messengers in your body—are working behind the scenes to either help you drift off peacefully or keep you staring at the ceiling until 3 AM. Read More.

Health and Human Services Secretary Robert F. Kennedy Jr. — a Covid vaccine critic — made the announcement on X. Read More.

The Environmental Working Group published its Annual Guide to Sunscreens, finding that less than one in four SPF products are fully safe and effective. Read More.

GLP-1 agonists, medications commonly used for weight loss and type 2 diabetes, may also help reduce alcohol intake — an unexpected secondary benefit revealed in recent studies. Read More.

New research shows that timing may influence how well allergy treatments work. You can do your own timing tests with input from your doctor. This sample guide may help. Read More.

With 1 in 7 adolescents worldwide diagnosed with mental health disorders, emerging research suggests that diet is a powerful yet often overlooked therapeutic tool. Read More.

The move contradicts the advice from the CDC and professional medical associations that recommend low doses of fluoride supplements for children who live in areas without fluoridated water. HHS also takes on deregulation, infant formula, mental health care, and more. Read More.

A recent study found that regularly eating poultry was linked to a heightened risk of early death from gastrointestinal cancers. MNT asked experts whether concerns are warranted. Read More.

New research attributes the cases to well-known conditions like Alzheimer’s, cancer and traumatic brain injuries. Read More.

In a new study, Mayo Clinic researchers and collaborators have described — for the first time — the prevalence of autoimmune diseases in the U.S. Their research, published in the Journal of Clinical Investigation, reports that about 15 million people are estimated to have one or more of 105 autoimmune diseases. The study also found that autoimmune diseases occur most often in women and identified the top autoimmune diseases by prevalence, sex and age. Read More.

The U.S. Department of Health and Human Services, through the Office of the Assistant Secretary for Health and Office of Population Affairs, released a comprehensive review, opens in a new tab of the evidence and best practices for promoting the health of children and adolescents with gender dysphoria. Read More.

More American adults with mental health needs have been getting talk therapy in recent years, according to a new study published in the American Journal of Psychiatry. Read More.

A large international study of 203,000 adults across 22 countries found that early-life experiences—such as childhood health, family relationships, and religious upbringing—significantly shape levels of optimism in adulthood. Cultural context also influenced whether factors like parental divorce had negative or positive effects. Read More.

Plus why you shouldn’t just drive yourself (or get a ride from a loved one) to the hospital. Read More.

Some people are more inclined toward gratitude than others, but there are specific ways that everyone can cultivate more of it. Read More.