A new model for predicting human population growth Scientists at University of Washington have attempted to improve upon previous population models developed by the United Nations and the Austrian Wittgenstein Centre by using different calculation techniques for two key factors - fertility and migration.

Scientists at University of Washington have attempted to improve upon previous population models developed by the United Nations and the Austrian Wittgenstein Centre by using different calculation techniques for two key factors – fertility and migration.

HIV Pre-Exposure Prophylaxis: What Is It, and Why Aren’t Women Using It? Stigma is a main barrier to using PrEP among women attending Connecticut Planned Parenthood locations

HIV pre-exposure prophylaxis (PrEP) is a medication used for HIV prevention, and should be used by people who are routinely in danger of acquiring HIV (for example, those who have an HIV positive partner, or those who inject drugs). In READ MORE