Hormones, Competition, and Evolutionary Behavior

This chapter examines the biological and evolutionary roots of aggression and competition in humans and animals, particularly through the lens of hormones like testosterone and estrogen. It features examples from nature, including squirrels and lions, and dives into the implications of hormonal imbalances in areas like sports and health. Additionally, the chapter discusses the effects of lifestyle factors, such as marijuana use and dietary choices, on hormonal regulation and overall well-being.