When a person smokes a cigarette, the body responds immediately to the chemical nicotine in the smoke. Nicotine causes a short-term increase in blood pressure, heart rate, and the flow of blood from the heart. It also causes the arteries to narrow. Carbon monoxide reduces the amount of oxygen the blood can carry.
False, researchers have found that these diseases are a "gay-disease" meaning that it is twice as likely to happen to gay or bisexual men than it is for heterosexual
