As anyone who’s ever mindlessly munched through an entire bag of chips can attest, it’s easy to keep eating once you start. Just putting something tasty in your mouth makes you want more. New...

What are the rules on masks in schools? Whether students have to wear masks, and the trouble they could face if they don’t, depends on where they go to school. The U.S. Centers for Disease Control...

People with one of the most common heart disorders who are exposed to greater levels of pollution have a 1.2-fold higher risk of stroke than their peers who live with less pollution, according to a JAMA...

(HealthDay)—Parents who choose to forgo or delay their children’s vaccinations may quickly find themselves without a pediatrician. Just over half (51%) of pediatric offices in the United States...

Americans are increasingly concerned that regulators and manufacturers will rush a vaccine to market without an adequate review. That prompted nine vaccine front-runners, including Pfizer and Merck, to...

Have you ever wondered whether the brains of right-handed people work differently from those of left-handers? Is it possible to distinguish between them by observing their brain activity in response to...

Myotonic dystrophy type I is the most common type of adult-onset muscular dystrophy. People with the condition inherit repeated DNA segments that lead to the toxic buildup of repetitive RNA, the messenger...

Penn Medicine researchers have found that middle-aged individuals—those born in the late 1960s and the 1970s—may be in a perpetual state of H3N2 influenza virus susceptibility because their antibodies...

The car stopped at the traffic lights and the girl in the passenger seat looked over. I caught her glance as I pushed my bike with its broken chain slowly up the steep hill in the pouring rain towards...

The number of new confirmed coronavirus cases spiked Friday in parts of eastern Europe, with Hungary and the Czech Republic registering all-time daily highs. Hungarian Prime Minister Viktor Orban said...