Dr. Mark Calarco

Dr. Mark Calarco is the national medical director of American Addiction Centers, a leader in drug and alcohol abuse treatment. A pioneer in treating hormone imbalances in recovering individuals, he has served as a board member for the State of Tennessee Medical Laboratory Board and the American Academy of Anti-Aging Medicine. Dr. Calarco was also the first board-certified anti-aging and regenerative medicine specialist in Tennessee.

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3 Ways You Can Spot a Teammate's Concussion

The clock ticks down, you release the football, and it's a perfect pass to your receiver in the end zone. In that moment, your focus is on making a...

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