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Saralyn Mark, MD This study shows that there are sex differences in immunity.
Women are more resistant to infection, but once infected, they mount vigorous responses. Hormones play a big role. My book, Stellar Medicine goes into more detail about this fascinating part of medicine!
Scientists at the Stanford University School of Medicine have linked high testosterone levels in men to a poor immune response to an influenza vaccine.
In a study published online Dec. 23 in the Proceedings of the National Academy of Sciences, the investigators show that men with relatively high amounts of circulating testosterone benefit less, as measured by a boost in protective antibodies after vaccination against influenza, than do men with lower testosterone levels and women.
In the study, women had a generally stronger antibody response to the vaccine than men. But the average response mounted by men with relatively low testosterone levels was more or less equivalent to that of women.TAPP to read more.
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