The epidemic of AIDS isn't over yet, and youth are among the most vulnerable. In the United States, thousands of young people are infected with HIV each year.

In November, U.S. Secretary of State Hillary Clinton made an ambitious statement: An AIDS-free generation is possible. Clinton believes the epidemic can be ended in America within our lifetimes.

More than 34 million people were living with HIV at the end of 2010, 30 years after the first AIDS case was reported - and nearly that many (around 30 million) have died from AIDS-related causes. Here in the United States, an estimated 1.1 million people are HIV-positive.

In recognition of Black History Month we're taking a look at diseases for which African-Americans are at higher risk -- and what to do about them.

Have you saved a life this month? It's not too late. January is Blood Donor Month, so find your local donation center, hold out your arm and look the other direction.