Snapshot · Modern Wisdom
88% of Darwin Award winners (people who die through spectacular self-inflicted stupidity) are men, and 90% of Carnegie Hero Award recipients (people who risk their life to save a stranger) are also men.
Where this was said
At 2:19:40 · chapter starts 2:13:35
Stewart-Williams surveys the major physical health sex differences: men are more prone to cardiovascular disease, most cancers, and early death; women are more prone to immune disorders and pain conditions. The male mortality disadvantage is particularly stark — men die younger than women in the vast majority of cultures, including most where women face high maternal mortality. The mechanism becomes clear when you consider the Korean Joseon Dynasty eunuch data [1] — Chris Williamson "Eunuchs lived longer than intact men: Korean Joseon Dynasty eunuchs lived significantly longer than intact males of identical social standi…" 2:17:30 : eunuchs castrated before puberty lived significantly longer than intact males of identical social standing, directly implicating testosterone. Stewart-Williams points out we technically already have a known intervention to close the lifespan gap — it just comes with obvious drawbacks. Randy Nesse's evolutionary medicine calculation [2] — Chris Williamson "Curing male mortality gap > curing cancer: Evolutionary medicine researcher Randy Nesse calculated that if male mortality rates were reduce…" 2:18:38 lands as the most striking statistic in this section: if male mortality rates were reduced to female levels, more years of life would be saved than if cancer were entirely cured. The 88%/90% symmetry of Darwin Awards and Carnegie Hero Awards closes the section: male risk-taking cuts in both catastrophic and heroic directions with almost identical frequency.
Korean Joseon Dynasty eunuchs lived significantly longer than intact males of identical social standing, showing testosterone has a direct biological cost to male lifespan.
Evolutionary medicine researcher Randy Nesse calculated that if male mortality rates were reduced to female rates, more years of life would be saved than if cancer were cured entirely.
The widely cited ego-depletion model — the idea that willpower is a finite resource that gets depleted — failed to replicate in follow-up studies.
Humans are estimated to have 5,000–7,000 thoughts per day, yet can recall essentially none of them afterward, highlighting why in-the-moment emotional tracking matters.
A large Harvard study found that a wandering mind is an unhappy mind — people report greater happiness when their attention is tethered to the present, even if the task is unpleasant.
A key study finding that we have a 'credit card's worth of plastic' in our bodies was likely skewed because researchers used nitrile gloves that shed plastic particles onto the microplastic detector.
Emotionally sensitive people have a hyperactive amygdala, an underactive prefrontal cortex, and a frayed connection between the two — making emotional regulation structurally harder.
Rejection sensitivity can be observed as early as age 2 or 3, suggesting it has strong developmental and likely genetic roots.
A Yale study found that non-judgmental observation of emotions — without rushing to resolve them — reduces activation in the brain, making it a powerful regulation tool.
Dan Gilbert's research found that the psychological immune system — the brain's ability to justify and find satisfaction in choices — activates most powerfully when a decision is perceived as irreversible.
Barry Schwartz's research found that maximizers — people who try to optimize every decision — tend to achieve objectively better outcomes but report lower happiness than satisficers who choose 'good enough.'
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