People with severe depression may have particularly low blood levels of an amino acid involved in brain function, a new study suggests. The substance, called acetyl-L-carnitine (LAC), is naturally produced in the body. It aids in metabolism, and animal research suggests it prevents “excessive firing” of cells in certain parts of the brain. LAC is…  read on >

A new survey suggests health care professionals are giving short shrift to their older patients when it comes to explaining the risks of opioid painkillers. Researchers found that most older Americans who are prescribed opioids aren’t advised about the dangers of the drugs, how to use fewer of them, when to use non-opioid alternatives, or…  read on >

While blisters can occur most anywhere there’s friction against the skin, they are commonly associated with the feet. To help prevent foot blisters, the American Academy of Dermatology suggests: Wear socks that absorb moisture. Make sure your shoes fit properly. Wear moisture-absorbing, loose- fitting clothing. Avoid clothing made from cotton, which can lead to friction…  read on >

Stretch marks aren’t confined to pregnant women. Youngsters in puberty also may develop these lines on the body due to rapid growth. Skin is typically quite elastic, the Nemours Foundation points out, but when it overstretched, small scars known as stretch marks may develop. Nemours suggests how to make stretch marks less noticeable: Use a…  read on >

Summer typically is a whirlwind of long days, summer barbeques, pool parties and camping trips. With all of that activity, it’s important to maintain a healthy lifestyle, the American Cancer Society says. The society suggests: Get plenty of exercise during the cooler part of the day, such as in the early morning or evening. Drink…  read on >

Exposure to bright light in the hour before bedtime can make it difficult for kids to fall asleep, family health experts warn. As day changes to night, the body increases production of a sleep-inducing hormone called melatonin. But exposure to artificial light from light bulbs or electronic devices can disrupt melatonin production, according to a…  read on >

As much of the United States continues to swelter through 90-plus temperatures and high humidity, one emergency physician is offering advice on keeping safe. First, Dr. Robert Glatter said, it’s important to know that anyone can be a victim of heat stroke, but some people are at particular risk. “Heat stroke develops when the body…  read on >

College students might want to leave their smartphones and tablets behind when they head to a lecture, new research suggests. Otherwise, the distraction might translate into a lower grade on the final exam. For the study, researchers followed 118 cognitive psychology students at Rutgers University in New Jersey. For one term, electronic devices were banned…  read on >

THURSDAY, July 26There have been many setbacks on the long road to finding a treatment that might slow or stop Alzheimer’s disease, but a new trial offers a glimmer of hope. Researchers report that an experimental drug called BAN2401 slowed mental decline by as much as 30 percent in Alzheimer’s patients. It also appeared to…  read on >