There are 146 medical schools in the United States-126 teach allopathic medicine and award a Doctor of Medicine (M.D.) degree; 20 teach osteopathic medicine and award the Doctor of Osteopathic Medicine (D.O.) degree. Acceptance to medical school is highly competitive.
Cancer is the second leading cause of death in the US with around 584,881 deaths each year. Cancer is a group of diseases characterized by the uncontrolled growth and spread of abnormal cells. If the spread is not controlled, it can interfere with essential life-sustaining systems and result in death.
Nicotine is one of the most heavily used addictive drugs in the U.S., and the leading preventable cause of disease, disability, and death in the U.S. Cigarette smoking accounts for 90% of lung cancer cases in the U.S., and about 38,000 deaths per year can be attributed to secondhand smoke.