nostr:npub14w37fjdpkezfacsz3q8r97yqs9e0cquntlfkamgdhewnpaud4x9qtu9vjx

minus:

— if needles polluted you might get infected

— if your blood group is not rare, your blood might be wasted

plus:

— good exercise for your body so healthy

— your blood gets checked so you can correct issues or opportunity to discover staff

— you’re helping people, particularly if your blood group is rare

other:

— eat loads of spinach for iron, better than pills