If that’s true, donating blood plasma should be good for the elderly, too, as would bloodletting (https://en.wikipedia.org/wiki/Bloodletting https://en.wikiped

If that’s true, donating blood plasma should be good for the elderly, too, as would bloodletting (https://en.wikipedia.org/wiki/Bloodletting https://en.wikipedia.org/wiki/Bloodletting) Seems a fairly extraordinary claim, requiring extraordinary evidence.