People might get more from their workouts if they time their exercise to their sleep schedule, a new study says.

“Early birds” and “night owls” who timed their exercise to when they were most alert wound up with lower blood pressure, blood sugar and “bad” LDL cholesterol levels, researchers reported Apri... Full Page

Battery-driven bicycles and scooters are becoming a public hazard, endangering both riders and pedestrians, a new study reports.

E-bike and e-scooter crashes now account for more than half of bike- and scooter-related trauma cases treated at a major New York City hospital, up from less than 1 in 10 a handful of years ago, researchers repor... Full Page

People who’ve recovered from a spinal cord injury enough to walk continue to have trouble standing, balancing or moving smoothly – and researchers now think they know why.

The way the human body compensates for a spinal injury appears to result in herky-jerky movement on the muscular level, researchers recently reported in the ... Full Page

For decades, doctors have noticed that girls are entering puberty at increasingly younger ages without a clear reason to explain it.

While many have pointed to diet or environment, a new Columbia University study points to a complex triple threat: High stress, hormones and body mass index (BMI, an estimate of body fat based on height and w... Full Page

The U.S. Environmental Protection Agency (EPA) has paused decisions on uses for dozens of "forever chemicals," also known as PFAS.

The delay includes proposed changes regarding how several of these chemicals can be used, according to one of two people familiar with the situation who spoke to The Washington Post. The two commented ... Full Page