“Drinking causes the blood vessels near the skin to enlarge, which causes people to feel flushed or hot and as a result triggers the body to sweat,” he says. “The higher the alcohol content of the ...

Nicotine itself could clear from your body in a few hours, but its byproduct can linger for days or weeks. Most nicotine tests detect cotinine, which can show up in urine, saliva, blood, hair, and ...

Alcohol can present health problems for even light or occasional drinkers. By Mohana Ravindranath Drinking is harmful to your health at any age. But as you get older, the risks become greater — even ...