Health summaries
Sexual orientation and the brain: what hormones reveal
Mark Breedlove examines how prenatal hormones, the older brother effect, and brain development help explain sexual orientation without oversimplifying it.
Constipation and IBS: how to understand your gut better
Harvard neurogastroenterologist Trisha Pasricha explains what normal bowel habits look like, how the gut brain axis works, and which habits actually help.
Endometriosis: root causes and a broader treatment plan
This episode explains why endometriosis is inflammatory, immune, and hormonal, and how diet, the microbiome, estrogen handling, and surgery fit together.
Ultra-processed foods and weight gain: what evidence shows
Kevin Hall explains why ultra-processed foods can drive overeating, how energy density changes satiety, and which responses have actual evidence behind them.
How AI is entering the era of writing biological life
AI and biology are converging fast enough to reshape genomes, vaccines, health care, climate tools, and the biosecurity debate.
The longevity mistakes that science is correcting
Genetics matter less than many people think. Longevity changes most when you quit risky habits, move more, and eat better.
Why reformulating skincare can improve your routine
A closer look at how smart reformulations improve tolerance, texture and results without removing the key actives from skincare products.
Galleri: benefits and limits of blood cancer screening
We review what Galleri detects, why the NHS trial missed its main endpoint, and when it may still make sense as a complementary test.
How to face major change without losing your identity
Practical ideas to handle change, grief and uncertainty without getting trapped in fear or a rigid sense of self.
15 g collagen for metabolism and insulin resistance
What changes when you take 15 g of collagen, how it interacts with strength training and why the video links it to metabolic signaling.
Sodium, hydration and performance without common mistakes
How to adjust sodium, water and electrolytes to your blood pressure, training and context so you perform better without overdoing it.
What to prioritize for longer life in longevity rankings
This longevity tournament points to a clear lesson, sleep, not smoking, strength, and metabolic health still matter more than flashy promises.
Pregnancy nutrition for your baby's lifelong health
Nutrition in pregnancy shapes more than maternal weight. It also affects glucose, brain development, muscle building, and the baby's future metabolic risk.
VO2 max is not the same as cardiorespiratory fitness
Longevity research usually measures cardiorespiratory fitness, not direct VO2 max. Confusing them can push people to train the wrong metric.
Why turkey teeth can damage healthy teeth for life
The real problem is not Turkey. It is shaving healthy teeth for cosmetic crowns without weighing alternatives, future risks, or long term planning.






