Harvard Heart Letter

Old hearts made young by natural substance

Old hearts can be made young again—at least in mice, Harvard researchers find.

In mice as in men, the heart muscle becomes thicker and stiffer with age. It's the most common cause of heart failure, yet there are no specific treatments.

Now it appears that a natural substance can reverse this aging process, according to a report in the May issue of the journal Cell by a team led by Dr. Richard Lee, co-editor in chief of the Harvard Heart Letter, and Amy Wagers, professor of stem cell and regenerative biology at Harvard Medical School.

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 »