In this research we will learn more about blood clotting and drugs that modify blood clotting.
This study plans to learn more about how blood composition affects the formation of blood clots and to identify how individuals respond to commons drugs like anticoagulants and hormone treatments.
Participants must be 18 years or older healthy not pregnant and weigh at least 110 lbs. Participants cannot have anemia, high blood pressure, a previous history of hepatitis, or HIV.