Key ideas from Dr Debra Soh

• One in three men and one in five women have not had sex in the past 12 months, representing a significant decline across all demographics
• 37% of adults having weekly sex is down from 55% in 1990, with Gen Z showing the steepest declines in sexual activity
• Women's fertility drops by half by age 35, yet many delay childbearing without understanding their biological constraints
• Four out of five childless women who reach menopause didn't intend to be childless, representing a massive involuntary childlessness crisis
• Men who are not primary breadwinners are 50% more likely to use erectile dysfunction medication, highlighting hypergamy's biological effects
• Studies show cutting out ultra-processed food can cause depression remission in a third of cases within 12 weeks