Adverse metabolic response to regular exercise: Is it a rare or common occurrence?

Claude Bouchard, Steven N. Blair, Timothy S. Church, Conrad P. Earnest, James M. Hagberg, Keijo Häkkinen, Nathan T. Jenkins, Laura Karavirta, William E. Kraus, Arthur S. Leon, D. C. Rao, Mark A. Sarzynski, James S. Skinner, Cris A. Slentz, Tuomo Rankinen