A year-long investigation by University of Birmingham researchers will explore how vaping influences lung health in people ...

Smoking tobacco is so harmful to the body that it changes a person’s immune system, leaving them vulnerable to more disease and infection even years after they’ve quit, a new study found. Although ...

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 ...

Nicotine pouches—small, flavored packets placed between the gums and lips—have recently become an increasingly appealing option for people trying to avoid cigarettes and traditional “smokeless” oral ...