Nicotine can be present in breast milk for a few hours after smoking or vaping. There are steps you can take to reduce your baby’s exposure to nicotine in breast milk. Nursing can provide many ...

Nicotine quickly enters your bloodstream. Your liver then breaks down nicotine into several byproducts, primarily cotinine. Depending on what you're testing, such as a blood, urine, saliva, or hair ...

Nicotine pouch usage rose over 600% between 2019 and 2022, according to a 2022 study by JAMA Network. Brands like Zyn offer an assortment of flavors and products to choose from and have established ...

Influencers say smokeless nicotine products can boost performance, banish brain fog, and even help with weight loss. But are they safe?

Biohackers chasing the fountain of youth are turning to an unlikely new tool: nicotine. Once demonized for its role in cigarettes, the addictive stimulant is now being recast as a cognitive enhancer ...