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 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 ...

Theresa Gaffney is the lead Morning Rounds writer and reports on health care, new research, and public policy, with a particular interest in mental health, gender ...

The School of Nursing is collaborating on a national study that adopts two counter-intuitive principles in its search for ways to treat memory loss among aging populations. The two surprising concepts ...

The nicotine content in cigarettes varies significantly from brand to brand, but on average, a person absorbs 1–1.5 milligrams (mg) of nicotine from a cigarette stick. The above information comes from ...

Nicotine can pass from a person’s lungs into breast milk. Nicotine levels in breast milk are highest during and immediately after smoking and tend to drop by about half in around 95 minutes. Avoiding ...

Longevity isn't just about how long you live — it's also about staying healthy for as much of that time as possible. The "sit to stand" test can be a good way to figure out how healthy you are, and it ...