Browse by topic
Health topics, and what the evidence says
Each topic gathers the book's chapters on one subject, where they say to start, every popular claim they grade, and the reference topics and terms behind them.
12 topics
Published Updated
- Sleep and lightSleep, light and evolution: what the evidence saysIs mouth taping safe, and does it work? Is sunscreen bad for you? Do blue light glasses work for sleep?2 chapters · 7 claims · 7 reference topics · 280 sources
- MovementMovement and evolution: what the evidence saysDo barefoot shoes fix your feet? Is sitting the new smoking? Is 10,000 steps a day a myth? How many steps you actually need1 chapter · 3 claims · 8 reference topics · 236 sources
- Strength and boneStrength, bone and evolution: what the evidence saysDoes a cold plunge after lifting hurt muscle growth? Is more protein always better?1 chapter · 2 claims · 4 reference topics · 120 sources
- FoodFood and evolution: what the evidence saysAre seed oils inflammatory? What the trials show Is the carnivore diet supported by evidence? Do detox teas and juice cleanses work?1 chapter · 5 claims · 10 reference topics · 323 sources
- Gut and immunityGut, immunity and evolution: what the evidence saysIs raw milk healthier or safe? Do probiotic pills fix your gut? Can a greens powder replace vegetables?1 chapter · 4 claims · 3 reference topics · 115 sources
- Cold and heatCold, heat and evolution: what the evidence saysDo cold plunges do anything? Does a cold plunge after lifting hurt muscle growth? Does a cold plunge burn fat? Brown fat, sized honestly1 chapter · 5 claims · 2 reference topics · 74 sources
- Stress and the mindStress, the mind and evolution: what the evidence saysDoes grounding work, or is it pseudoscience? Does forest bathing work through tree chemicals? Is adrenal fatigue real?2 chapters · 5 claims · 5 reference topics · 150 sources
- People and lonelinessLoneliness, connection and evolution: what the evidence saysDoes a digital detox reset your brain? Does a dopamine detox actually work? Did Rat Park prove addiction is about the cage?2 chapters · 3 claims · 5 reference topics · 152 sources
- Phones and attentionPhones, attention and evolution: what the evidence saysDo blue light glasses work for sleep? Does a digital detox reset your brain? Is screen time destroying a generation?1 chapter · 3 claims · 3 reference topics · 39 sources
- Women's healthWomen's health and evolution: what the evidence saysDoes cycle syncing your workouts work? Does hormone therapy cause breast cancer?1 chapter · 2 claims · 3 reference topics · 132 sources
- Men's healthMen's health and evolution: what the evidence saysShould men take testosterone after 40?1 claims · 1 reference topics · 8 sources
- AgingAging and evolution: what the evidence saysShould men take testosterone after 40? Can an epigenetic age test tell you how fast you are aging? Do NAD+ supplements work?1 chapter · 3 claims · 3 reference topics · 124 sources
Also: every mismatch card in one table · what hunter-gatherers tell us · all graded claims