Most smokers want to quit. They understand that tobacco isn’t healthy, and they know that smoking can affect their appearance, appetite, and ability to breathe properly. But quitting isn’t easy. It's especially difficult if you’ve been smoking for years and are addicted to nicotine. Quitting smoking can prevent a lifetime of health problems. Staying active can keep your mind off of smoking. Nicotine replacement therapy is a safe and effective way to alleviate nicotine withdrawal symptoms. Many rehab centers in Nashville aim to improve the quality of life for people struggling with substance use.