Many possibilities: Obesity, deconditioning, anemia, thyroid excess, thyroid deficiency, congestive heart failure, renal failure, anxiety, neurocirculatory asthenia and many other possibilities. You need testing and further evaluation.
Answered 1/10/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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