Nicotine has been shown to be more addictive than [[cocaine]] and even [[heroin]]. Nicotine is used medicinally to treat ulcerative colitis, [[breast cancer]] among women with the high risk BRCA gene, Kaposi's sarcoma, schizophrenia, and asthma. Nicotine is also used to treat headaches. | Nicotine has been shown to be more addictive than [[cocaine]] and even [[heroin]]. Nicotine is used medicinally to treat ulcerative colitis, [[breast cancer]] among women with the high risk BRCA gene, Kaposi's sarcoma, schizophrenia, and asthma. Nicotine is also used to treat headaches. |