California is among five states this year where marijuana legalization is on the ballot. But there's concern about if legalizing it will reduce the number of marijuana arrests among African-Americans.
Photographer Mustafa Abdulaziz has spent four years documenting the world's water woes. His "Water Stories" are now on display by New York's East River.
The Food and Drug Administration approved a muscular dystrophy drug despite deeply flawed evidence. Was the decision a dangerous precedent or flexible pragmatism reflecting patients' values?
The goal of curing all diseases "in our children's lifetime" sounds a lot like hype. But is it? It's the goal of Facebook founder Mark Zuckerberg and his pediatrician wife, Priscilla Chan.
Harry Selker has spent his life trying to come up with better ways to keep people from dying of heart attacks. Now he's intent on figuring out if a simple, cheap medication could be a game changer.
In the past 50 years, better medical care and healthier habits have greatly reduced the risk of dying young from heart disease. But the obesity epidemic threatens to reverse that happy trend.