A remarkable drug found originally in Easter Island has been shown to have some amazing properties:

Skip forward 35 years and rapamycin has made a stunning journey from the soil of a Pacific island to the besides of the world’s hospitals. Its ability to suppress the immune system means that it’s given to transplant patients to stop them from rejecting their organs and its ability to stop cells from dividing has formed the basis of potential anti-cancer drugs. But the chemical has an even more interesting ability and one that has only just been discovered – it can extend lifespan, at least in mice.

Rapamycin – the Easter Island drug that extends lifespan of old mice