Smoking has many negative health effects. People with HIV who smoke are more likely than people with HIV who don’t smoke to Develop lung cancer, head and neck cancers, cervical and anal cancers, and other cancers. Develop bacterial pneumonia, Pneumocystis jiroveciipneumonia, chronic obstructive pulmonary disease, and heart disease. Develop conditions that affect the mouth, such as oral candidiasis (thrush) and oral hairy leukoplakia. Have a poorer response to HIV treatment. Develop a life-threating illness that leads to an AIDS diagnosis. Have a shorter lifespan. For support in quitting visit BeTobaccoBree.gov, call the national smoking quitline at 1-877-44U-QUIT, or call your state quitline at 1-800-QUIT-NOW.