HEALTH TOPICS 
Erectile dysfunction and the drugs to treat it
In many cases, medications are all a man needs to stay sexually active.
Erectile dysfunction (ED) affects almost 70% of men ages 70 and older. Fortunately, treatment is often just a matter of taking a pill. "We usually start with oral medications, and they're effective in about 50% of the cases," says Dr. Michael O'Leary, a urologist at Harvard-affiliated Brigham and Women's Hospital and editor of the Harvard Special Health Report What To Do About Erectile Dysfunction.
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