Study of blood donors to assess the effects of blood donation on prevention of heart disease. Male volunteers over age 40 and females over 50 are needed. Participants should have donated blood one or fewer times in each of the last 5 years and given less than 15 units in their lifetime. Female volunteers are needed for a 5-month study on effects of reproductive hormones on the brain. Volunteers should be 18-45 years old, have regular menstrual cycles with no mood swings, and be free of medical illnesses.
Payment depends on duration of visit and type of protocol.
The Behavioral Endocrinology Branch of NIMH is seeking men and women ages 40-65 who are medication free but experiencing feelings of sadness, fatigue, loss of motivation and enjoyment and decreased sexual interest. Call Linda Simpson-St. PRRC staff members assist patients, their families, physicians, and healthy volunteers by providing information about participating in research conducted at the Clinical Center. At the PRRC, nurses are available to answer your questions and send you information about the NIH clinical research program, the more than 800 clinical research studies currently underway, and the admission process. In some cases, they may conduct a preliminary screening interview for admission to a study.