A Chinese researcher says the results of a study might help explain why some men are more selfish than others. Photo: EPA-EFE A Chinese researcher says the results of a study might help explain why some men are more selfish than others. Photo: EPA-EFE
A Chinese researcher says the results of a study might help explain why some men are more selfish than others. Photo: EPA-EFE
Disease

How can testosterone make men selfish? A Chinese study offers clues

  • Researchers examined the responses and brain activity of a group of men given the hormone in the lab and found some surprising results
  • Scientists say the issue is complicated and many factors can be at play in real life

Topic |   Disease
A Chinese researcher says the results of a study might help explain why some men are more selfish than others. Photo: EPA-EFE A Chinese researcher says the results of a study might help explain why some men are more selfish than others. Photo: EPA-EFE
A Chinese researcher says the results of a study might help explain why some men are more selfish than others. Photo: EPA-EFE
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