Bryan Johnson· Author
+ fertility rates are down 62% + 42% of men over forty now have erectile dysfunction + 40% of women report low sexual desire + 25% of women are on psychiatric medications + female puberty onset has dropped by 3 months per decade since the 1970s + testosterone is dropping 1% every year + metabolic disease afflicts 35% + obesity has hit 40% + 63% of men are not having sex weekly + sexlessness has doubled to 24%