The first period of nicotine abstinence proceeded as expected. The surprise came after three months when the lab rats suddenly became fearless and sought out well-lighted areas that prey animals ...

This project examines the effects exposure to inhaled nicotine, THC, or the combination in utero may have on behavior, brain function, and neurochemistry in adolescence and adulthood. Using a rat ...

One day, long ago, a tobacco plant discovered humans and it has never relinquished its control over our brain. During the intervening millennia, we humans have tried to find novel uses for this plant ...

Nicotine addiction remains one of the most persistent public health challenges worldwide, driven by changes in the brain that reinforce repeated use and make quitting extremely difficult. For decades, ...

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 ...

How do coffee and cigarettes for breakfast influence each other? The answer depends on understanding how the chemicals in both interact to influence brain function. First, coffee contains caffeine.

Nicotine lozenges can help reduce cravings and support people trying to quit smoking. Doctors explain how they work, possible side effects and the safe daily limit.

Nicotine lozenges can help reduce cravings and support people trying to quit smoking. Doctors explain how they work, possible side effects and the safe daily limit.