Source Library

Our comprehensive library of peer-reviewed research, meta-analyses, systematic reviews, and official guidelines that support our evidence-based content. Every source undergoes a verification process to ensure accuracy and accessibility.

Convergent adaptation of human lactase persistence in Africa and Europe

Diet and the evolution of human amylase gene copy number variation

Conversion of alpha-linolenic acid to longer-chain polyunsaturated fatty acids in human adults

Maintenance of good animal welfare standards in beef slaughter plants by use of auditing programs

Legume versus fertilizer sources of nitrogen: ecological tradeoffs and human needs

Do fishes have nociceptors? Evidence for the evolution of a vertebrate sensory system

Eicosapentaenoic and docosapentaenoic acids are the principal products of alpha-linolenic acid metabolism in young men

The neurobehavioral nature of fishes and the question of awareness and pain

Interaction of estrogenic chemicals and phytoestrogens with estrogen receptor beta

The Expensive-Tissue Hypothesis: The Brain and the Digestive System in Human and Primate Evolution