Cigarette addiction is part mental and part physical. Dr. Cheryl Healton, a public health professional and former smoker, knows that you need willpower and a helping hand to quit smoking. Nicotine replacements can help. They substitute therapeutic nicotine as a replacement for your cigarette. Nicotine replacement has been shown to be an effective method to stop smoking. If you know you want to quit smoking, dont be afraid to get the help you need.