The links between exercise and testosterone production have been studied by researchers for decades. (tctmed.com)
Powerful correlations between active intestinal food reactions and altered child behavior have been documented by many researchers for decades and have been observed thousands of times over by families of food sensitive children. (babyreference.com)
The genome sequence provides a fast track approach to finding vaccine candidates for a disease that had frustrated researchers for decades. (genomenewsnetwork.org)