Doctor James Wright provides his take on this very controversial topic.Source: Joe Weider’s Muscle (May 1980) Page #76 -Joe Weider's Muscle (May 1980) Page #77 -Joe Weider's Muscle (May 1980) Page #167 -Joe Weider's Muscle (May 1980) Page #167 -Joe Weider's Muscle (May 1980)