One possible benefit of blood, kidney, and bone marrow donations is that they could demonstrate that EAs actually do care about other people in their country (which could help with movement building), but such donations can only be associated with EA if they are in fact effective on the margin (which does not seem to be the case with blood donations).
One possible benefit of blood, kidney, and bone marrow donations is that they could demonstrate that EAs actually do care about other people in their country (which could help with movement building), but such donations can only be associated with EA if they are in fact effective on the margin (which does not seem to be the case with blood donations).
You could put blood donation into the “relaxation” or “fun social activity” category.