Carrie
June 18, 2007, 1:07pm
3
Here’s one good discussion of the subject. The most basic notion is that type O makes more 'none than other types, and therefore can overdose more easily on it.
Blood typing is just a convenient, nonracial genetic indicator… available to all.
It’s important to keep in mind that blood type correlations are imperfect, since genetics are actually more varied than you can express with a mere 4 blood types. (The American Redcross actually has identified more than 400 subtypes)
However, that doesn’t mean that it’s not more useful than not. Newtonian physics is still used due to convenience, even though Einstein’s work provides greater accuracy.
“The Blood …