Your browser cannot view frames. The same information is provided in our no-frames site. The no-frames section is also designed to be accessible for person's with disabilities. Some new, experimental treatments that are being explored, include inserting healthy muscle cells into the failing heart and the use of stem cells to grow new heart cells. In addition, there may be drugs available with multiple functions that would improve the pumping ability of the heart, open clogged arteries, or prevent tissue damage from free radicals.
Free radicals are often oxygen molecules that have lost or gained an electron.
These molecules tend to become involved in chain reactions with other, less reactive molecules and can cause cellular damage.