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Caffeinated Women May Be Fighting Depression With Every Cup

A Harvard School of Public Health study of more than 50,000 nurses suggests the more caffeine they drank, the less likely they were to be diagnosed with depression. Researchers are calling for more study on why this might be.

Washington State Raises Bar For Parents To Skip Kids' Vaccinations

Parents who don't want to meet state immunization requirements for school now have to obtain a certificate of exemption from a licensed health care provider.
WAMU 88.5

HIV/AIDS Panel Looks At New Tactics To Prevent Disease

The District of Columbia is open to new ideas to help reduce the city's staggering rate of HIV infections.

WAMU 88.5

D.C. Uses Viral Loads To Measure HIV-AIDS Progress

Washington D.C. is one of a few cities in the nation to track the progress of HIV/AIDS using new statistics on viral loads.


Why Does A Virus Jump From One Species To Another?

The more susceptible a species' close relatives are to a virus, the more likely it is to move among them, researchers say. If humans want to predict the appearance of new diseases in the future, we need to understand how the viruses make the leap.

Understanding The Mysterious Teenage Brain

It's an age-old question: Why do teenagers behave as they do? Why the angst, anger and risk-taking? Researchers say science and evolution provide intriguing answers. And in some cases, the very behaviors that drive parents crazy may be the traits that are keys to success as an adult.