Overdose reversal in a nasal spray
Drug marketed as Narcan offers new treatment option for family members or first responders.
FDA approves Addyi for female sexual desire disorder, but there's a lot more to this condition that needs to be explored.
Agency gives manufacturers three years to remove artificial trans fats from all foods sold to Americans.
Critics say these natural substances are ineffective and potentially dangerous, while backers contend current oversight is sufficient.