Americans are taking fewer risks when it comes to HIV, a Swedish study puts science behind the use of the pill for period pain, the journal Science recognizes a treatment to reduce the spread of HIV as the 2011 Breakthrough of the Year, a study revealing yet another reason why emergency contraception may be harder to get than it should be, evidence that the HPV vaccine does not actually make young women promiscuous, and more good news about birth control coverage under health reform.