Nicotine stays in your system for only a few days or less, but withdrawal symptoms from nicotine can last up to weeks.

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's immediate effects on the body include decreased appetite, heightened mood, increased heart rate and blood pressure, nausea, diarrhea, and increased alertness. In the long term, however, ...

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 ...

Nicotine addiction remains one of the most persistent public health challenges worldwide, driven by changes in the brain that ...