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What are the causes of exercise intolerance, and how does one acquire the disease?

1 doctor weighed in
Ken Starnes
General Practice

In brief: Could be serious

A severe drop in your ability to exercise should be evaluated by a doctor. Although it could be as minor as a cold, or just overtraining, it could be an early sign of a serious heart or lung condition.

In brief: Could be serious

A severe drop in your ability to exercise should be evaluated by a doctor. Although it could be as minor as a cold, or just overtraining, it could be an early sign of a serious heart or lung condition.
Ken Starnes
Ken Starnes
Answer assisted by Ken Starnes, Medical Student
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