Nicotine Use

Smoking-Related Diseases

At least 70 chemicals in tobacco smoke are known to cause cancer. Discover the health risks of the thousands of other chemicals found in cigarette smoke.

photo showing the difference between healthy, normal lungs and smoker's lungs
Smoker's Lungs vs. Normal Healthy Lungs
Medically reviewed by Armeen Poor, MD
Man smoking a cigarette
How Smoking Depletes Your Body of Essential Vitamins
Medically reviewed by Sanja Jelic, MD
Close up of a wrinkled, aged hand tapping ash into an ashtray
How Smoking Ages Skin and Causes Premature Wrinkles
Medically reviewed by Armeen Poor, MD