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.
1 Smoking is the leading cause of preventable death in the U.S., causing over 438,000 deaths per year. 2  Secondhand smoke is a serious health hazard for people of all ages, causing more than 41,000 deaths each year. 3  Marijuana smoke contains many of the same toxins, irritants and carcinogens as tobacco smoke.ind out more on the health effects of smoking, secondhand smoke, other tobacco products and marijuana. 1  Smoking is the leading cause of preventable death in the U.S., causing over 438,000 deaths per year.