International researchers found that older mice injected with a protein called Klotho (s-KL) saw their lifespans extend by about 20 percent compared to those who did not take the molecule, and thrived as they hit old age.
International researchers found that older mice injected with a protein called Klotho (s-KL) saw their lifespans extend by about 20 percent compared to those who did not take the molecule, and thrived as they hit old age.