Nobody Taught You THIS About Sex

7 Aug 2025 · 38 min
Episode

7 Aug 2025 · 38 min

0:00

In this episode Bryan Johnson hosts a candid conversation with co‑hosts Kate Tolo and Dr. Mike Mallon about the often‑overlooked health dimensions of sexual activity. The discussion begins with a review of scientific evidence that sex functions as moderate exercise, lowers cortisol, releases oxytocin and endorphins, boosts immune IgA, reduces depression risk, and is linked to lower all‑cause mortality and prostate cancer risk. They explore how orgasms contribute additional parasympathetic benefits. The panel then shifts to risky, taboo practices. They examine choking (breath play) and cite a study showing elevated S100B protein—a marker of sub‑clinical brain injury—among women who regularly experience choking during sex. Next, they detail the bacterial contamination risks of analingus (rimming), listing common fecal‑borne pathogens and STIs, and present a six‑step hygiene protocol (cleaning, timing, protection, risk awareness, after‑care, and testing). They discuss a gut‑microbiome study linking sexual role (insertive, receptive, versatile) to distinct microbial signatures and nutrient metabolism patterns. The hosts stress that pornography provides misleading education, leaving many young people uninformed about these risks. They argue that arousal can impair judgment, citing a study where willingness to consider bestiality rose under sexual arousal, underscoring the need for pre‑emptive decision‑making. The conversation moves to nighttime erection episodes as a vital health metric comparable to blood pressure, describing how Bryan’s personal data (3 h 36 min of erections, top percentile for his age) illustrates the link between sleep, hormonal balance, and sexual function. They note that erectile dysfunction predicts cardiovascular events and that fertility has declined dramatically over recent decades. Throughout, they emphasize the cultural taboo surrounding these topics, the scarcity of reliable information, and their mission to provide practical, science‑backed protocols (including device‑based erection monitoring) to empower listeners to make safer, healthier sexual choices. The episode ends with reflections on the importance of breaking silence around taboo sexual health topics.

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