A new study suggests that, among men, low testosterone levels in the blood are linked to more severe COVID-19.
The study contradicts widespread assumptions that higher testosterone may explain why men, on average, develop more severe COVID-19 than women do.
“The groups of men who were getting sicker were known to have lower testosterone across the board.”
Throughout the pandemic, doctors have seen evidence that men with COVID-19 fare worse, on average, than women with the infection.
One theory is that hormonal differences between men and women may make men more susceptible to severe disease. And since men have much more testosterone than women, some scientists have speculated that high levels of testosterone may be to blame.
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IMAGE: A new study from Washington University School of Medicine in St. Louis suggests that, among men, low testosterone levels in the blood are linked to more severe COVID-19. The study. view more
Credit: SARA MOSER
Throughout the pandemic, doctors have seen evidence that men with COVID-19 fare worse, on average, than women with the infection. One theory is that hormonal differences between men and women may make men more susceptible to severe disease. And since men have much more testosterone than women, some scientists have speculated that high levels of testosterone may be to blame.
But a new study from Washington University School of Medicine in St. Louis suggests that, among men, the opposite may be true: that low testosterone levels in the blood are linked to more severe disease. The study could not prove that low testosterone is a cause of severe COVID-19; low levels could simply serve as a marker of some other causal factors. Still, the researchers ur
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