Self-righteous libs are the ones with underperforming hearts: Readers expressed interest about altruism by ethnic group and political views, so here are the percentages who donated blood in the past year:
Percent who gave blood in the past year
Vote in 2000
American Indian 14.7
Puerto Ricans 13.3
Let me begin with the less interesting first: Americans of northwestern European descent appear to be the most altruistic (with Swedes as an exception--the blood alcohol content is too high for donation, perhaps?). Since I am always running into data that make Mex-Ams look bad, they should get their props here. And blacks are low, as a reader suggested.
Now for the fun part: conservatives can't possibly donate a lot of blood because you have to have a heart to have blood, right? WRONG: those self-righteous libs are actually the ones with underperforming hearts.
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