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Joint and muscle pains that have no apparent cause can be a symptom of:

a. hyponatremia.
b. overtraining.
c. hypothermia.
d. an excess of vitamin
c.

2 Answers

5 votes
a. hyponatremia. is the answer
User Karan Dhillon
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I think it's B. over-training

User Olgacosta
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