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Do regular exercise for at least 40 minutes and avoid smoking. Vision Impairment: People with blood group AB may develop vision impairment as they grow older. Protein problems in the blood can ...
The O blood group lacks any antigens while group A, B, and AB are successively characterized by antigen A, B, and AB.
The ratio of patients with type AB blood who had serious cases of COVID-19 was found to be 1.4 times higher than that for people with AB blood in the second group.
Negative blood types are particularly valuable because they are not common. With less than 2% (one in 50 donors) of the ...