Dietary Supplements (Opposing Viewpoints) - Tapa dura

Each title in the highly acclaimed Opposing Viewpoints series explores a specific issue by placing expert opinions in a unique pro/con format; the viewpoints are selected from a wide range of highly respected and often hard-to-find publications.; This title addresses controversies related to dietary supplements, including: how should dietary supplements be regulated; are vitamin and mineral supplements beneficial; are weight-loss supplements and athletic supplements beneficial; how well do supplem; "Each volume in the Opposing Viewpoints Series could serve as a model...not only providing access to a wide diversity of opinions, but also stimulating readers to do further research for group discussion and individual interest. Both shrill and moderate, th