how hot is cigarette smoke when it enters your lungs cigarette, 20 minutes, and over 7,000 chemicals hit at 900 degrees. Tar sticks, heavy metals build up, oxygen drops, and your body's defenses are paralyzed. The cycle repeats Cigarette Smoke Exposure and Inflammatory

Start quiz Key factors affecting how long nicotine stays in your system: Amount of cigarettes smoked or chewed Type of tobacco (smoking clears slower than chewing) Genetic make-up Lifestyle Age (If over 65 then metabolism is 23% slower than young people) Hormones (Estrogen in women helps them to process nicotine faster) Liver function Medications you are taking

Shantalea Johns, Ed.D., LMSW, is a professor, licensed therapist, mental health educator and public speaker specializing in adolescent well-being, trauma-informed care and community-based prevention

In many cases, though, the decision is made to simply replace these materials and items

Menthol smokers make more attempts to quit but are often less successful than people who smoke regular cigarettes