Unlike NRT, nicotine pouches are classed as consumer products, so are not regulated by the Medicines and Healthcare products ...

Nicotine is toxic to the heart and blood vessels regardless of how it's consumed, experts wrote in a new consensus report ...

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, ...

Nicotine in tobacco and e-cigarettes may trigger headaches by narrowing blood vessels, increasing pain receptor sensitivity, and reducing some pain medication effectiveness. Cluster headaches and ...