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.

A Slaughterhouse Nightmare: Psychological Harm Suffered by Slaughterhouse Employees

Food-miles and the relative climate impacts…

Interactions among Amazon land use, forests and climate: prospects for a near-term forest tipping point

Spreading Dead Zones and Consequences for Marine Ecosystems

Convergent adaptation of human lactase persistence in Africa and Europe

Diet and the evolution of human amylase gene copy number variation

Dioxin Analysis Results/Exposure Estimates

Protein and amino acid requirements in human nutrition

Effects of Soy Protein and Soybean Isoflavones on Thyroid Function in Healthy Adults and Hypothyroid Patients: A Review of the Relevant Literature

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

EPA Agricultural Runoff Fact Sheet

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

Meta-analysis of nitrogen balance studies for estimating protein requirements in healthy adults

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

Self-selection of the analgesic drug carprofen by lame broiler chickens

Interaction of estrogenic chemicals and phytoestrogens with estrogen receptor beta

Survey of Stunning and Handling in Federally Inspected Beef, Veal, Pork, and Sheep Slaughter Plants

U.S. could feed 800 million people with grain that livestock eat

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

Infanticide among animals: A review, classification, and examination of the implications for the reproductive strategies of females