In addition, pregnant women who smoke. Or cigarette smoke frequently. May affect fetal growth, resulting in a malfunction. Compounds in cigarettes include nicotine, the active ingredients in cigarettes affect the brain directly cause smokers feel comfortable and want to smoke more. It also has contributed to a rise in blood pressure. The heart beats faster and stronger than normal to stimulate an increase in the amount of bad fats. Chlorate and cholesterol in the body. Can be carcinogenic to adhere to and remain in the lungs, the alveoli have a major toxins that cause lung cancer. Carbon monoxide effects can damage blood vessels in the body, the heart wall. Work harder than normal