According to the September/October 2013 issue of Mental Floss, “that tobacco will still be useful when we stop smoking and chewing it. Nicotine has been used as an organic pesticide for many years. Tobacco has medicinally uses as well. New neurological research shows that nicotine my help  by Alzheimer’s patients by stimulating receptors associated with cognition and memory. Other studies have found that eating foods that contain tiny amounts of nicotine, like tomatoes and peppers. could help protect neurons and prevent Parkinson’s disease.”