Why double-jointed people are more likely to have health problems
When Jan Kiley was a child, even the slightest of bumps to her arms or legs would cause livid bruises on her skin. During PE ...
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The myth of being double-jointed explained
Most people describe someone with these talents as being "double-jointed," but that's not an accurate representation. Here's a look at what's really going on with your friends who are unusually ...