As e-cigarette use soars in high schools across America, new research shows many people don’t understand the amount of addictive nicotine they’re inhaling with every puff. In a new survey, many teens said they regularly used e-cigarettes, but swore they only vaped nicotine-free products. However, urine tests for a “marker” of nicotine use came up…  read on >

Americans with cancer are more likely to use marijuana and prescription opioids than those without cancer, and the use of medical marijuana by this group is on the rise, new research shows. Pain is common among cancer patients, but many do not get adequate pain relief, the researchers noted. The new study looked at more…  read on >

Aortic valve stenosis is a form of heart valve disease that can take many years to develop into a life-threatening problem, an expert says. It occurs when narrowing of the aortic valve opening prevents blood from the heart’s left ventricle from flowing to the aorta. It also can affect the pressure in the left atrium,…  read on >

Just a 1% decrease in the number of Medicaid recipients who smoke could save the insurance program billions of dollars a year, a new study suggests. Over one year, that small decline in smoking and its associated health harms would lead to $2.6 billion in total Medicaid savings the following year and millions for each…  read on >

An earache is a sharp, dull, or burning pain in one or both ears. The pain can have a variety of causes, from ear infections to pressure changes, says MedlinePlus. To care for an earache at home, you can: Place a cold cloth on the outer ear. Chew gum. Rest in an upright position. Use…  read on >

British researchers have pinpointed which factors put knee replacement patients at high risk for severe infection and repeat surgery. “This information provides me with the strong evidence I need to discuss the risk of infection with my patients undergoing knee replacement and helps us identify strategies to minimize that risk,” said study co-author Dr. Michael…  read on >

When you eat during the day could influence your chances of surviving a heart attack, a new study finds. Specifically, skipping breakfast and eating dinner late in the evening were associated with poorer recovery and increased risk of death, scientists report. “Our research shows that the two eating behaviors are independently linked with poorer outcomes…  read on >

You might be surprised to learn that food allergies can start in adulthood and involve a food you’ve eaten without a problem for your entire life. For adults as well as kids, the top — but not the only — food culprits are eggs, milk, peanuts, tree nuts, fish and shellfish, wheat and soy, according…  read on >