John Henryism refers to a personality predisposition to cope actively with psychosocial stressors; may become lethal when those active coping efforts are unsuccessful; the syndrome has been especially documented among lower income Blacks at risk for or suffering from hypertension .
complex ideas could be reduced to simple ideas. John Stuart or J.S. Mill proposed a process of mental chemistry according to which complex ideas could be distinctly different from the simple ideas (elements) that constituted them. J. S. Mill believed strongly that a science of human nature could be and should be developed.