Service dogs may help reduce levels of the stress hormone cortisol in military veterans who have post-traumatic stress disorder (PTSD), a new study finds. For the study, researchers compared a group of veterans with PTSD who had a service dog to a group of veterans on the waitlist to receive one. “Our previous research suggests…  read on >

The effects of neighborhood violence can seep into schools and lead to lower grades, even among students who have no direct exposure to the violence, a new study reveals. For the study, researchers analyzed data from students who attended Chicago public schools between 2002 and 2010. The researchers found that in schools where large numbers…  read on >

Most minor burns can be cared for at home without requiring a trip to the emergency room. Each year, more than 500,000 people seek help for minor household burns, the U.S. National Institutes of Health says. The severity of a burn depends on the area it covers and how deep the damage goes. First-degree burns…  read on >

When the weather warms, we tend to spend more time outside with six-legged creatures that feast on our blood. The U.S. Food and Drug Administration suggests how to prevent bug bites by applying insect repellent: Use only repellent that contains ingredients registered with U.S. Environmental Protection Agency. Spray repellent on clothes or skin, but not…  read on >

It’s well-known that Americans consume too much sugar. But that affinity for the sweet stuff starts as early as infancy, with some babies consuming added sugar that exceeds maximum levels recommended for adults, U.S. researchers report. Eating foods with added sugar can influence a child’s food choices later in life. And added sugar has been…  read on >

If more Americans ate healthier diets, the nation could save tens of billions of dollars in health care costs for major problems such as heart disease, cancer, type 2 diabetes, strokes, hip fractures and Alzheimer’s disease. That’s the conclusion of a new study in which researchers assessed different scenarios and determined that boosting the number…  read on >

High school baseball players who both pitch and catch suffer more injuries than pitchers who play other positions, a new study finds. High rates of shoulder and elbow injuries are common among young pitchers. In fact, pitchers incur 73 percent of injuries among high school baseball players, and about 10 percent of them require surgery,…  read on >

Omega-3 fatty acids — good fats found in fish — can boost the heart health of adults, but a new study suggests that babies might also stand to benefit from them. In the study from Australia, infants were given a daily fish oil supplement or a placebo from birth to 6 months. When they were…  read on >

Even patients who have taken high doses of opioid painkillers for long periods of time aren’t unhappy with their care when their doctor lowers their dose, new research suggests. The study included nearly 2,500 patients with chronic pain who had been on high doses of opioids for at least six straight months. The researchers compared…  read on >

Major volcanic eruptions like the one going on in Hawaii are rare, but they can lead to serious health concerns. Volcanos produce gases mixed with water and tiny particles that form a type of pollution called vog. It can irritate the eyes and trigger heart attacks and respiratory problems such as asthma and wheezing. Active…  read on >