Carpenter?: Perhaps poor aim with your hammer. Excuse the humor. Many things could be the cause; rheumatoid arthritis, compromised circulation in the area or generally, virtually anything... A visit to an md is truly your best chance to get a serious (non-humorous) and healthful answer. Good luck!
Answered 4/3/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
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