Concept
The Four Horsemen
2 books in the library reach for this idea - each in its own way. When independent authors converge on one concept, it usually deserves attention.
Blink
How this book uses it: Gottman's predictors of divorce - contempt, criticism, defensiveness, stonewalling. Contempt is the most lethal.
Outlive
How this book uses it: Heart disease, cancer, diabetes, and neurodegenerative disease - the major causes of death, all linked to metabolic dysfunction. Understand your personal risk for each.
