nostr:npub14w37fjdpkezfacsz3q8r97yqs9e0cquntlfkamgdhewnpaud4x9qtu9vjx nostr:npub16rsfuhv9vvn39cmrdg9s9qcq20lfqp4u8w35f8svm30dny345d7qhc2zfj actually there are some who believe donating blood has health benefits - your bone marrow will have to make new blood to fill your empty arm, meaning it's a bit like changing the oil on your car - nice fresh young blood running around you.