Charlie Sheen disclosed on Tuesday morning that he has HIV, the virus that causes AIDS. He said on the TODAY show that he was diagnosed with the disease about four years ago, and he said he was making a public announcement partly because he wanted to crack down on extortion from people who knew of his diagnosis. Since the first HIV diagnoses in the early 1980s, when HIV was first diagnosed and almost always led to death within a few years, advances in medical treatment have prolonged life expectancy dramatically. Today, overall life expectancy for someone age 20, diagnosed with HIV and receiving anti-retroviral treatment, is 71.4 years, up from 56.1 a decade-and-a-half ago.
But significant disparities still exist. People who contract HIV through intravenous drug use have the lowest life expectancy -- 48.8 years -- while men who contract it by having sex with other men have the highest, at 79.3 years. Overall, men in general live to 73.4, while women live to 77.3. One o...
17:09 How AIDS conquered North America: Researchers restore HIV genomes from serum samples more than 40 years old12
19:43 A Gilmore Girls Newbie Reacts to the Year in the Life Trailer14
15:39 Netflix releases trailer for 'Gilmore Girls: A Year in the Life'13
11:41 Caterpillar earnings: 85 cents per share, vs expected EPS of 76 cents18