U.S. girls are getting their periods at younger ages, a new study has found. Girls born between 2000 and 2005 started their periods at an average age of 11.9 years — a half year earlier than the...

Bird flu has been detected for the first time in alpacas, the U.S. Department of Agriculture (USDA) announced Tuesday. The animals that tested positive were on a farm in Idaho where poultry that had tested positive for...

A bilingual brain implant has allowed a stroke survivor to communicate in both Spanish and English, scientists report. Turning to an AI method known as a neural network, researchers trained the patient’s implant to decode words based...

Feeding kids peanuts early in childhood can drastically reduce their risk of developing a peanut allergy, a new clinical trial reports. Children regularly fed peanut products from infancy to age 5 had a 71% lower rate of...

Research suggests that tattoo ink spurs inflammatory changes that might contribute to the development of lymphoma. The findings are early, however, and more study must be done to confirm any links between tattooing and the blood cancer,...

Near-infrared light pulsing into a person’s skull appears to boost healing in patients with a severe concussion, a new study finds. Patients who wore a helmet emitting near-infrared light displayed a greater change in connectivity between seven...

Children exposed to traffic and other noise in their neighborhoods may be at higher risk for anxiety, researchers conclude, while air pollution could raise risks for other mental health woes. “Childhood and adolescent noise pollution exposure could...

Allowing pharmacists to treat minor illnesses could potentially expand health care access to more people and save millions of dollars, a new study suggests. Care for a range of minor health issues — urinary tract infections, shingles,...

Humanity’s best protection against bird flu will be the development of effective vaccines, a new study says. The H5N1 avian flu has been raging through cattle and poultry in the United States, increasing fears that the virus...

A 4,000-year-old skull provides evidence that ancient Egyptians might have tried to treat cancer, a new study claims. Microscopic observation of the skull revealed 30 or so lesions scattered across its surface that are consistent with cancer,...