Part 1 of Essay
are the leading cause of death in the United States. Everyday approximately 1,500 people die from . Thousands more suffer crippling effects of some form, and remain disabled for the rest of their lives. A simple definition of a heart attack is a sudden failure of the heart resulting from an occlusion or obstruction of a ....

Part 2 of Essay
.... causes the release of hormones in the body. These hormones raise the blood pressure. Consequently, a person's heart rate increases 15 to 25 beats per minute. Nicotine also causes the blood vessels to contract. People who smoke have a harder time keeping their hands and feet warm because their blood does not circulate as well as it does in non-smokers. When the heart rate increases and the blood vessels remain constricted for an extended period of time, ten or more years, arteries begin to close up. When ....