AP PSYCHOLOGY

Detailed explanation-1: -After 3 to 9 months: Lung function increases as much as 10 percent. After 1 year: Your risk of heart disease is about half that of a smoker. After 10 years: Your risk of lung cancer is half that of a smoker. After 15 years: Your risk of heart attack is about the same as someone who has never smoked.

Detailed explanation-2: -It can cause an increase in blood pressure, heart rate, flow of blood to the heart and a narrowing of the arteries (vessels that carry blood). Nicotine may also contribute to the hardening of the arterial walls, which in turn, may lead to a heart attack.

Detailed explanation-3: -Common Side Effects: Nicotine is known to cause decreased appetite, heightened mood, increased heart rate and blood pressure, nausea, diarrhea, better memory, and increased alertness.

Detailed explanation-4: -Smoking increases the formation of plaque in blood vessels. Coronary Heart Diseaseoccurs when arteries that carry blood to the heart muscle are narrowed by plaque or blocked by clots. Chemicals in cigarette smoke cause the blood to thicken and form clots inside veins and arteries.