Washington, DC - Poor quality medicines are a real and urgent threat that could undermine decades of successful efforts to combat HIV/AIDS, malaria and tuberculosis, according to the editors of a collection of journal articles published today. Scientists report up to 41 percent of specimens failed to meet quality standards in global studies of about 17,000 drug samples.

Baltimore, Maryland - The peak time for seeking information on topics related to HIV, such as prevention and testing, is at the beginning of the week, while risky sexual behaviors tend to increase on the weekends, according to a new analysis by researchers at the Johns Hopkins Bloomberg School of Public Health and the Monday Campaigns.

Baltimore, Maryland - A Johns Hopkins engineer, supported by a major NIH grant, is leading a multi-institution team that wants to keep bacterial infections from dodging the dwindling arsenal of drugs that destroy the deadly microbes.

Scottsdale, Arizona - You know that exercise does your body good, but you're too busy and stressed to fit it into your routine. Hold on a second - there's good news when it comes to exercise and stress.

Baltimore, Maryland - Johns Hopkins Bloomberg School of Public Health researchers say that while a large majority of newborns are exposed in their earliest days to bisphenol A (BPA), a much-studied chemical used in plastics and in food and soda can linings, they can chemically alter and rid their bodies of it.

Scottsdale, Arizona - Elder care, or adult care, can provide an opportunity for your loved one with Alzheimer's to receive assistance and therapeutic activities in a group setting.