In states where marijuana is legal, teens smoking pot and then getting behind the wheel of a car is common, a new study finds. “There’s a general public zeitgeist that marijuana is a pretty safe drug,” said study co-author Darin Erickson, an associate professor at the University of Minnesota’s School of Public Health. “In actuality,…  read on >

Minus 29 Fahrenheit in Fargo, minus 28 in Minneapolis, minus 13 in Des Moines. With potential record-setting low temperatures ahead for much of the nation, one expert warns that frostbite can quickly strike exposed skin. “With wind chills approaching the single digits and below zero, it is possible to develop ‘frostnip’ with progression to frostbite…  read on >

Cold, dry winter weather can wreak havoc on your hands, triggering rashes, dry patches and irritation. The American Academy of Dermatology suggests how to prevent a rash on your hands: Wear task-appropriate gloves to protect your hands from harsh chemicals, such as dyes and detergents. Wear insulated gloves or mittens in cold weather. Wash your…  read on >

Medical marijuana may help the thousands of Americans who use it, but far too many of these folks are getting behind the wheel while high, new research shows. In a poll of medical marijuana patients in Michigan, more than half acknowledged having driven within two hours of consuming a cannabis treatment at least once during…  read on >

Traveling on vacation or for business shouldn’t interfere with getting enough exercise, the U.S. National Institute on Aging advises. Here are the agency’s suggestions for staying in shape while away from home: Pack your workout clothing and shoes. If you’re traveling by car, stop frequently along the way to stretch or walk around. This will…  read on >

Drivers should avoid talking on their cellphones while on the road, the U.S. National Safety Council warns. It’s a myth that the human brain can simultaneously handle both the many aspects of driving while chatting with a cellphone in one hand, the council says. The agency dispels these additional myths: Talking on a cell phone…  read on >

Dry, itchy eyes are a common problem in the winter and low humidity is a major reason, one ophthalmologist says. “On average, the humidity drops in the winter with the colder weather,” said Marissa Locy, an instructor in the department of ophthalmology at the University of Alabama at Birmingham. “In addition, most people turn on…  read on >

Winter can be hard on your skin, but you can take steps to keep it soft and supple, dermatologists say. “When the weather changes, your skin care products should, too. For most of us, dry skin makes an appearance in the winter due to changes in temperature and humidity, so you need to think about…  read on >

Risk of heat-related disease and death is rising worldwide due to climate change, a new report warns. Hotter temperatures threaten the elderly and other vulnerable people with heat stress, and heart and kidney disease, according to an international team of experts. Last year, more than 157 million at-risk people were exposed to heat waves worldwide.…  read on >

Many older drivers take medications known to raise the risk of a crash, a new study shows. It found that nearly 50 percent of older adults who drive use seven or more medications. Nearly 20 percent take what are called potentially inappropriate medications because they have limited benefits, pose excess risk of harm, or both.…  read on >