Nicotine therapy is administered in many ways, as a patch, gum, lozenge, spray, or inhaler. All of these varieties offer smoking cessation in different ways. You can wear the patch on your upper body, you can inhale the spray through your nose, or you can chew the gum or take a lozenge at different times of the day. Nicotine therapy has been shown to be very effective: “Nicotine therapy has been shown to increase smoking cessation by over 150% to 200%” (Diefenbach, Smith para 1). These numbers show how effective nicotine therapy is. In cigarettes, the amount of nicotine is controlled by the amount of nicotine contained in each cigarette. However, in therapy you will probably get more nicotine, the maximum being 4 mg if you were a heavy smoker, that is, if you smoked 2 packs a day and had smoked for more than 20 years. One problem was that many young people smoked cigarettes to control their weight. Research shows that “there is a dose-response relationship between nicotine gum and weight gain: smokers who use more gum gain less weight” (Dienfenbach, Smith para 2). This proves that nicotine therapy using gum can help you maintain weight without causing physical harm to the body. However, as effective as the patch may be, it also comes with many side effects, such as headaches, anxiety, dizziness, stomach upset, or nausea. These side effects may also cause tremors, chest pain, or difficulty