To commemorate World AIDS Day on Friday, Bill Gates tweeted a graph showing the declining number of AIDS-related deaths.
As of 2016, the number of lives saved through using medication was higher than the number of deaths.
For years, AIDS used to be a death sentence.
When HIV/AIDS first arrived in the US 36 years ago, the disease quickly spiraled into an epidemic. But medical advances have since made HIV controllable with medication — especially if diagnosed early.
On Friday, Bill Gates...