. Nicotine's effect upon hormonal activities is also present. It elevates the blood level of glucose and increases insulin production. Nicotine also tends to enhance platelet aggregation, which may lead to blood clotting. The positive effects of nicotine upon the body should also be noted. It stimulates memory and alertness, enhancing cognitive skills that requires speed, reaction time and work performance. As a mood-altering agent, it tends to alleviate boredom, reduces stress, and reduces aggressive responses to stressful events. It also tends to be an appetite suppressant specifically decreasing the appetite for simple carbohydrates and disturbs the efficiency with which food is metabolized. People who use tobacco products frequently depend upon it to provide these side effects to help them accomplish certain tasks at specific levels. With all the information that is out today why do people continue to smoke? Since 1964, the Surgeon General has warned that smoking is a health hazard this announcement promoted the U.S. Public Health Service and The American Cancer Society to publicize the dangers of tobacco smoking, and offer suggestions to those trying to quit. Cigarette packages were required to carry the warning " may be hazardous to health." Later the wording was strengthened to read " Smoking is Dangerous to Your Health." The reason cigarette smokers do not give up this harmful habit easily is simple; Nicotine is a highly addictive substance like many other drugs. Smokers are hooked as surely as is any heroin or cocaine addict; giving up cigarettes creates painful withdrawal symptoms and a craving that many people cannot overcome. The Public Health Service has declared cigarettes and tobacco to be our most common form of drug dependency. Researchers discovered that nicotine is carried to the brain via the bloodstream within a minute or two of smoking; it's then eliminated about a half-hour later, and then the craving returns. Sci...
