One halcyon spring day in 1903, the 69-year-old anatomist and naturalist Dr. James Bell Pettigrew sat at the top of a sloping ...
Intersexuality includes natural variations in external anatomy, internal sex organs, hormones, or chromosomes. For instance, someone may be born with a vagina but internal “male” sex organs. Or ...
A simple blood test to detect how fast internal organs are ageing helped flag increased risks for 30 diseases including lung cancer and cardiovascular conditions, researchers have found.
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