And some say they???ve found it in DHEA and melatonin, which, research says, can ??reverse age-??related conditions such as memory loss, osteoporosis, heart disease, and loss of sex drive, to name a few.But some medical experts say look before you leap???the anti-aging claims made about the hormones don???t yet stand up to scrutiny.Because of the enormous popularity of DHEA and melatonin, which ha