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Dr. Harry Fisch

Dr. Harry Fisch is a board certified urologist at New York Presbyterian Hospital/Weill Medical College of Cornell University. He is one of the nation’s leaders in the diagnosis and treatment of Men’s health issues as well as sexuality and fertility problems in couples. Internationally renowned, he has pioneered microsurgical techniques for disorders associated with male infertility such as vasectomy reversal and varicocele repair.
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‘Will My Body Stop Naturally Making Amino Acids?’ — Ask Dr. Harry Fisch

If I take supplements that contain things that my body already produces, like creatine or amino acids, will my body stop making them? Also, what are the dangers of taking creatine and not drinking enough water? -- Frank, 31, Toronto

This is a great question because it’s certainly true that taking some kinds of supplements, such as testosterone, does shut down the body’s own production, which can cause all sorts of problems.

Your body a

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