Taking rapamycin once a week for a year might be safe for healthy older adults, with no more side effects than a sugar pill — so it could be a candidate for slowing normal aging.

Giving old mice the drug rapamycin less often (every 5 days instead of daily) at a specific dose helps them live longer without causing diabetes-like problems, showing that we might be able to get the good anti-aging effects without the bad side effects.

Taking a low weekly dose of a drug called rapamycin for a year might make older adults feel healthier overall, based on their own reports.

Taking a low weekly dose of a drug called rapamycin for a year might help older women build more lean muscle, which could slow down muscle loss as they age.

Taking a low weekly dose of a drug called rapamycin for a year might help reduce pain in healthy women over 50, based on how they reported feeling.

Scientists gave mice a drug called rapamycin when they were middle-aged (around 270 days old) and found that both male and female mice lived longer compared to mice that didn't get the drug.