A new study of gun violence in Chicago, led by Yale sociologist Andrew Papachristos, reveals that a person's social network is a key predictor in whether an individual will become a victim of gun homicide, even more so than ...
Policymakers struggling to stop the spread of HIV grapple with "what if" questions on the scale of millions of people and decades of time. They need a way to predict the impact of many potential interventions, alone or in ...
Exposure via the media to activities such as street racing, binge drinking and unprotected sex is linked to risk-taking behaviors and attitudes, according to a new analysis of more than 25 years of research.
The head of a bioethics commission convened by President Barack Obama said on Tuesday that a 1940s study of STDs using patients in Guatemala was wrong and that a US probe was continuing.
(AP) -- The World Health Organization on Thursday welcomed a statement by Pope Benedict XVI that condoms can help prevent the spread of HIV/AIDS.
Females are more likely to have an unprotected first sexual encounter than their male counterparts.
By year's end, U.S. women will have two types of emergency contraceptive pills to choose from.
A school-based, six-session program targeting sexual risk behaviors appeared to reduce rates of unprotected sex and sex with multiple partners among South African sixth-graders, according to a report in the October issue ...
China's health minister said Tuesday he was concerned about the HIV/AIDS situation among migrant workers, but added the Asian nation had managed to contain the "fast spread" of the disease.
A US regulatory agency on Friday approved an emergency contraceptive pill that can prevent pregnancy if taken up to five days after unprotected sex.