Smoking, and the harmful chemicals present in cigarettes such as nicotine, can cause hair loss. This is due to the damage smoking can cause to hair follicles. Nicotine is a highly addictive substance ...

The blood test that detects nicotine is called a cotinine test. It measures recent tobacco use and exposure. Cotinine is a chemical that comes from the breakdown of nicotine in the body. A blood test ...

Nicotine is an addictive substance found in cigarettes and some vaping devices. Over time, continued nicotine use can lead to long-term brain changes. Nicotine is the active ingredient in tobacco, ...

Have you or your kids tried ZYN? The nicotine pouches are small, smokeless and easy to hide, and college students told News4 that’s the point. “People like to take them before classes, to take them ...

Nicotine pouches are a fast-growing source of nicotine poisoning in young children, according to a new study. Researchers at Nationwide Children’s Hospital in Ohio analyzed more than a decade’s worth ...

A recent study found that smoking an e-cigarette decreased the amount of oxygen being taken in by the lungs, regardless of whether it contained nicotine Bailey Richards is a writer-reporter at PEOPLE.

Nicotine levels in cigarettes sold in the U.S. would have to be drastically lowered under a proposal released Wednesday by the Food and Drug Administration. If finalized, the change would mean that ...

Sarah Todd returned to reporting in January 2025 after being assignment editor at STAT since October 2022. You can reach Sarah on Signal at sarahlizchar.47. Many Americans take a dark view of nicotine ...

Zyn, Velo and other nicotine pouches are surging in popularity — the latest in a fast-moving industry selling nicotine in smokeless forms that they claim are less harmful than traditional tobacco. The ...