None: If your muscle mass is due to good diet and exercise, there are no adverse health effects. If you take supplements, especially steroids, the adverse effects will be of the supplements, not mucle mass per se.
Answered 6/21/2013
5k views
A doctor has provided 1 answer
7 doctors weighed in across 2 answers
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question