Biologists have debated the reason why Homo sapiens evolved a prominent lower jaw, but this unique feature may actually be a by-product of other traits shaped by natural selection ...

Self-determination theory offered a new model of what a human being is. Behaviorists said motivation comes from outside, while SDT argued that the deepest motivation is intrinsic.

Cardiovascular disease (CVD) remains the number one cause of mortality in the United States accounting for approximately 2,500 deaths per day despite significant advances in therapeutics over the last ...