Warm-Blooded Animals Lost Ability to Heal the Heart
Scientific American - 60-Second Science,
Thyroid hormone, which helps warm-blooded animals regulate body temperature, also appears to put a halt on heart regeneration.
Thyroid hormone, which helps warm-blooded animals regulate body temperature, also appears to put a halt on heart regeneration.
Although most victims survive the 735,000 heart attacks that occur annually in the U.S., their heart tissue is often…