Page Banner

United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

Download a high-resolution (300dpi) digital image here

Image Number D442-1

In an approach called “nutritional diagnostics,” ARS scientists plan to use human saliva to evaluate metabolic responses from exercise, dieting, and dietary supplements.

Photo by Peggy Greb.

640 pixels wide: (d442-1.jpg)

Please visit our Image Gallery
Last Modified: 5/23/2006