That unusual bend in your thumb isn't a cool party trick. Discover what hitchhiker's thumb might reveal about your health and ...
Hitchhiker’s thumb can be present in people with diastrophic dysplasia, a condition that affects cartilage and bone development. People with the condition may also have short limbs, club foot, and/or ...
Michelle Tagliamonte, 58, was getting a manicure when she noticed the black lines on her thumb, which signaled the start of a fast-spreading cancer.
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