Hi, In past time. I did very heavy exercise. But now I cannot do normal exercise in gym as compared to other persons. Is there any disease? Should I check with doctor?

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.