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The End of Masculinity Has Been Somewhat Exaggerated

🌎 Get our exclusive NordVPN deal here ➡️ https://NordVPN.com/sabine It's risk-free with Nord's 30-day money-back guarantee! Are testosterone levels in men really falling? If so, what might be the causes? And is it something to worry about. We have looked at what the literature says and summarize it for you. 💌 Sign up for my weekly science newsletter. It's free! ➜ https://sabinehossenfelder.com/newsle... 👉 Support me on Patreon ➜   / sabine   📖 My new book "Existential Physics" is now on sale ➜ http://existentialphysics.com/ 🔗 Join this channel to get access to perks ➜    / @sabinehossenfelder   Data for the rise in testosterone supplement sales are here https://www.mja.com.au/system/files/i... FDA advice on the use of testosterone supplements is here: https://www.fda.gov/drugs/drug-safety... The paper about how testosterone levels change during the day is this: https://academic.oup.com/jcem/article... The paper about lower testosterone level in married men is here: https://www.sciencedirect.com/science... The paper about testosterone levels falling when holding an infant is this: https://www.sciencedirect.com/science... The meta-analysis about male testosterone levels is here: https://journals.plos.org/plosone/art... The 2007 paper about the decline of testosterone levels in Boston is here: https://academic.oup.com/jcem/article... The 2013 study about the decline of testosterone levels in Finnish men is this: https://eje.bioscientifica.com/view/j... The 2016 paper about the decline of grip strength is here: https://www.jhandtherapy.org/article/... The 2013 paper about children running slower is this: https://www.ahajournals.org/doi/abs/1... The paper about the impact of a high-protein diet on testosterone is here: https://journals.sagepub.com/doi/10.1... The paper about the two-way causation between obesity and decline in testosterone levels is here: https://www.ncbi.nlm.nih.gov/pmc/arti... The 2015 meta-analysis about the link between testosterone levels in men and smoking is here: https://linkinghub.elsevier.com/retri... 00:00 Intro 00:28 The Worry 02:43 How Much Testosterone Is Normal? 06:03 Are Testosterone Levels Really Falling? 09:06 Possible Causes 11:45 Should We Worry About It? 12:53 Protect Yourself from Cyber Threats Many thanks to Jordi Busqué for helping with this video http://jordibusque.com/