Smokers have a 6-21 times higher risk of developing lung cancer than non-smokers
What You Should Know Smoking Cigarettes Very fast (510 mins) High Most men improve within 212 weeks Most harmful, full of toxins(tar, carbon monoxide) that damage blood flow Vaping nicotine / Electronic cigarettes Moderate to fast (530 mins) Moderate Recovery is possible, but it may take longer Fewer toxins than cigarette smoke, but it still harms blood vessels and nitric oxide function Nicotine Gum Moderate (1530 mins) Low Often helps with recovery Can cause temporary narrowing of blood vessels for 12 hours Nicotine Patch Slow and steady (all day) unlike risky shortcuts explored in sexual poppers and erectile dysfunction, consistent habits protect long-term sexual health
Thats why so many people like them
European journal of pharmacology 498 , 279286, (2004)
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This is a design problem as much as a chemical one