Harvard Health Letter

The Keeps and Elite hormone therapy studies

The Kronos Longevity Research Institute, a nonprofit organization in Phoenix devoted to aging research, is sponsoring the Kronos Early Estrogen Prevention Study (KEEPS). The randomized, placebo-controlled study is scheduled to last five years. The researchers plan to enroll 720 recently menopausal women. Participants must be age 42–58 and healthy. They can not have had a hysterectomy. And "recently menopausal" means having had a menstrual cycle in the last three years, but not having had one in the last six months.
To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »