blood type

3 Stories

What It's Like to Have the 'Golden' Blood Type

Rh-null patients face dangers, can be heroes

(Newser) - When it comes to blood types, you may know A, AB, B, and O—but those larger groups actually contain millions of different varieties. That's because the surface of our blood cells are coated with antigens—up to 342 of them. Whether you have certain ones determines your full... More »

Blood Type O May Hurt Fertility

Study links blood type A to higher egg count, better eggs

(Newser) - Women with type O blood may have more difficulty conceiving a child as they get older, a new study suggests. Researchers tested a group of 560 women seeking fertility treatment whose average age was slightly under 35, and found that those with type O blood had fewer and poorer-quality eggs... More »

Japanese Hook Up, Hire by Blood Type

In Japan, belief in blood group personality types colors dating

(Newser) - If you're looking for a decisive, confident partner, try dating someone with type O blood. Type As are dependable worrywarts, ABs are balanced but high-maintenance, and if you've been burned by a selfish ex, blame their type B blood. That's the conventional wisdom in Japan, where people believe blood group... More »

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