Tucker Goodrich: Debugging Life

Tucker D. Goodrich

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An exploration of healthy diet and lifestyle.

Recent Episodes

MAR 16, 2026
Ep. 26: How To Lie With Science (Nick Jikomes Livestream)
Introduction Nick asked me to do a YouTube livestream to go over some research he had been doing. He drilled down on a reference in a high-profile cardiology guideline article and discovered that the authors had inverted the research finding in the referenced paper to claim the inverse of what it actually showed. We discussed this, and then I gave some more context about the matter and one of the authors. Guest info "Nick Jikomes is a neuroscientist, plant chemistry researcher, data scientist, and podcast host. He received a PhD in Neuroscience from Harvard University and a Bachelor of Science in Genetics from the University of Wisconsin. Nick currently works in the legal cannabis industry in the US." https://www.nickjikomes.com/about Home page, with links to writing and podcasts. https://www.nickjikomes.com/ _______________________________________ Tucker Goodrich Substack: https://tuckergoodrich.substack.com/ Twitter: https://twitter.com/TuckerGoodrich Youtube: https://www.youtube.com/tuckergoodrich0 Apple podcast: https://podcasts.apple.com/us/podcast/tucker-goodrich-podcast/id1617481825 Spotify podcast: https://open.spotify.com/show/7wVZ3TnRjGsa1cP2gzWY0y Podcast: https://sites.libsyn.com/408758 Blog (deprecated, but still a lot there!): http://yelling-stop.blogspot.com/ _______________________________________ Show Notes TK If you have any questions about sources for things discussed please ask in the comments.
70 MIN
MAR 1, 2026
Ep. 25: Is Mikhail Shchepinov "Breaking The Chains of Aging"?
Introduction It's well-known that lipid peroxidation is involved in aging and longevity. But what can we do about it? Dr. Shchepinov has been researching using deuterium to 'shore up' the PUFAs like those in seed oils to prevent them become toxic metabolites. He's had some interesting successes, and we discuss at length his new book: "Breaking the Chains of Aging". Amazon link: https://amzn.to/46A29KX Book website https://www.breakingaging.com Research: https://scholar.google.com/citations?user=0kQp8lEAAAAJ&hl=en Biography: Mikhail Shchepinov trained in Moscow (PhD, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 1994), then moved to Oxford to work on DNA microarray technology, combinatorial chemistry, and oligonucleotide dendrimers. He worked in academia and biotech in Oxford, UK and San Diego, USA, and is affiliated with several universities. From: https://www.breakingaging.com/author _______________________________________ Tucker Goodrich Substack: https://tuckergoodrich.substack.com/ Twitter: https://twitter.com/TuckerGoodrich Youtube: https://www.youtube.com/tuckergoodrich0 Apple podcast: https://podcasts.apple.com/us/podcast/tucker-goodrich-podcast/id1617481825 Spotify podcast: https://open.spotify.com/show/7wVZ3TnRjGsa1cP2gzWY0y Podcast: https://sites.libsyn.com/408758 Blog (deprecated, but still a lot there!): http://yelling-stop.blogspot.com/ _______________________________________ If you have any questions about sources for things discussed please ask in the comments.
138 MIN
MAR 1, 2026
Ep. 24: Does Deuterium Cause Chronic Disease? With Prof. John Speakman
Introduction I am honored to be joined by John Speakman, a leading authority on energy balance in animals, and in the use of the doubly-labeled water method of determining energy balance. This has led him into the study of obesity, among other topics, where he has become a recognized expert. Our discussion was prompted by his recent paper, "Total Daily Energy Expenditure Has Declined Over the Past Three Decades Due to Declining Basal Expenditure, Not Reduced Activity Expenditure", which casts a new light onto the world pandemic of obesity. In addition to discussing a few of the papers that give some background to that one, and his future research plans in light of that paper, we have an enlightening discussion on the potential role of deuterium in obesity and chronic disease. Biography: "John Roger Speakman (born 1958) FRS FRSE FRSB FRSA FMedSci FRSS is a British biologist working at the University of Aberdeen, Institute of Biological and Environmental Sciences, for which he was Director from 2007 to 2011. He leads the University's Energetics Research Group, which is one of the world's leading groups using doubly labeled water (DLW) to investigate energy expenditure and balance in animals. Between 2011-2020, he was a '1000 talents' Professor at the Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, in Beijing, China, where he ran the molecular energetics group. In 2020 he moved to the Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences in Shenzhen, China where he works at the Center for Energy Metabolism and Reproduction and Head of the Shenzhen Key laboratory of Metabolic Health." https://en.wikipedia.org/wiki/John_Speakman _______________________________________ Tucker Goodrich Substack: https://tuckergoodrich.substack.com/ Twitter: https://twitter.com/TuckerGoodrich Youtube: https://www.youtube.com/tuckergoodrich0 Apple podcast: https://podcasts.apple.com/us/podcast/tucker-goodrich-podcast/id1617481825 Spotify podcast: https://open.spotify.com/show/7wVZ3TnRjGsa1cP2gzWY0y Podcast: https://sites.libsyn.com/408758 Blog (deprecated, but still a lot there!): http://yelling-stop.blogspot.com/ _______________________________________ Show Notes Boros, Laszlo, Que Collins, and Gábor Somlyai. 2018. "Deuterium and Metabolic Water Matter – What This Means Biochemically and Clinically." September 24. https://www.science.org/doi/10.1126/sciadv.aat7314#elettersSection. If you have any questions about sources for things discussed please ask in the comments.
17 MIN
MAY 17, 2024
Ep. 23: "Ep 23 Doctors Should Tell Patients that High Linoleic Acid Seed Oils are Unhealthy"—with Raphael Sirtoli and Dave Feldman
Introduction So apparently there is some demand for discussion/debate on the topic of seed oils and health. Dave Feldman (Ep. 9) had considered doing this at his recent conference, but couldn't fit in the time. He's since regained interest in the idea, and reached out to Andreas Eenfeldt and Ted Naiman, who have expressed skepticism. They replied: "We decline as we feel this debate is a distraction. The reason is that we see no good scientific evidence for replacing any source of added pure fat with another. It's not the right question." Since there's so much interest, and clearly that opinion is not defensible—probably why they avoided the debate!—Raphael Sirtoli volunteered to take the con side of a debate, topic: "Doctors Should Tell Patients that High Linoleic Acid Seed Oils are Unhealthy" This was a debate proposition that Raphi had suggested recently, and it had also been declined. (More about that in a future episode.) So, here we are. Please enjoy, and as always, post questions or comments in the comments below. The debate on Dave's YouTube channel is here: https://www.youtube.com/live/JDsbpAJ28U4?si=4n7mSt56JiQDXTGN _______________________________________ Looking to fix your diet by getting rid of seed oils? Check out the Seedy app! https://www.seedyapp.com/ Tucker Goodrich Substack: https://tuckergoodrich.substack.com/ Twitter: https://twitter.com/TuckerGoodrich Youtube: https://www.youtube.com/tuckergoodrich0 Apple podcast: https://podcasts.apple.com/us/podcast/tucker-goodrich-podcast/id1617481825 Spotify podcast: https://open.spotify.com/show/7wVZ3TnRjGsa1cP2gzWY0y Podcast: https://sites.libsyn.com/408758 Blog (deprecated, but still a lot there!): http://yelling-stop.blogspot.com/ _______________________________________ Show Notes Pro Ramsden, C. E., Zamora, D., Majchrzak-Hong, S., Faurot, K. R., Broste, S. K., Frantz, R. P., Davis, J. M., Ringel, A., Suchindran, C. M., & Hibbeln, J. R. (2016). Re-Evaluation of the Traditional Diet-Heart Hypothesis: Analysis of Recovered Data from Minnesota Coronary Experiment (1968-73). BMJ, 353. https://doi.org/10.1136/bmj.i1246 Steinberg, D., Parthasarathy, S., Carew, T. E., Khoo, J. C., & Witztum, J. L. (1989). Beyond Cholesterol. Modifications of Low-Density Lipoprotein That Increase Its Atherogenicity. The New England Journal of Medicine, 320(14), 915–924. https://doi.org/10.1056/NEJM198904063201407 de Lorgeril, M., Renaud, S., Mamelle, N., Salen, P., Martin, J. L., Monjaud, I., Guidollet, J., Touboul, P., & Delaye, J. (1994). Mediterranean Alpha-Linolenic Acid-Rich Diet in Secondary Prevention of Coronary Heart Disease. Lancet (London, England), 343(8911), 1454–1459. https://doi.org/10.1016/s0140-6736(94)92580-1 Wien, M., Rajaram, S., Oda, K., & Sabaté, J. (2010). Decreasing the Linoleic Acid to α-Linolenic Acid Diet Ratio Increases Eicosapentaenoic Acid in Erythrocytes in Adults. Lipids, 45(8), 683–692. https://doi.org/10.1007/s11745-010-3430-3 Borén, J., Chapman, M. J., Krauss, R. M., Packard, C. J., Bentzon, J. F., Binder, C. J., Daemen, M. J., Demer, L. L., Hegele, R. A., Nicholls, S. J., Nordestgaard, B. G., Watts, G. F., Bruckert, E., Fazio, S., Ference, B. A., Graham, I., Horton, J. D., Landmesser, U., Laufs, U., … Ginsberg, H. N. (2020). Low-Density Lipoproteins Cause Atherosclerotic Cardiovascular Disease: Pathophysiological, Genetic, and Therapeutic Insights: A Consensus Statement from the European Atherosclerosis Society Consensus Panel. European Heart Journal, 41(24), 2313–2330. https://doi.org/10.1093/eurheartj/ehz962 Con Arris, F. A., Thai, V. T. S., Manan, W. N., & Sajab, M. S. (2020). A Revisit to the Formation and Mitigation of 3-Chloropropane-1,2-Diol in Palm Oil Production. Foods, 9(12), 1769. https://doi.org/10.3390/foods9121769 de Lorgeril, M., Renaud, S., Mamelle, N., Salen, P., Martin, J. L., Monjaud, I., Guidollet, J., Touboul, P., & Delaye, J. (1994). Mediterranean Alpha-Linolenic Acid-Rich Diet in Secondary Prevention of Coronary Heart Disease. Lancet (London, England), 343(8911), 1454–1459. https://doi.org/10.1016/s0140-6736(94)92580-1 Ramsden, C. E., Faurot, K. R., Zamora, D., Palsson, O. S., MacIntosh, B. A., Gaylord, S., Taha, A. Y., Rapoport, S. I., Hibbeln, J. R., Davis, J. M., & Mann, J. D. (2015). Targeted alterations in dietary n-3 and n-6 fatty acids improve life functioning and reduce psychological distress among patients with chronic headache: A secondary analysis of a randomized trial. Pain, 156(4), 587–596. https://doi.org/10.1097/01.j.pain.0000460348.84965.47 Ramsden, C. E., Zamora, D., Faurot, K. R., MacIntosh, B., Horowitz, M., Keyes, G. S., Yuan, Z.-X., Miller, V., Lynch, C., Honvoh, G., Park, J., Levy, R., Domenichiello, A. F., Johnston, A., Majchrzak-Hong, S., Hibbeln, J. R., Barrow, D. A., Loewke, J., Davis, J. M., … Mann, J. D. (2021). Dietary Alteration of N-3 and N-6 Fatty Acids for Headache Reduction in Adults with Migraine: Randomized Controlled Trial. BMJ, 374, n1448. https://doi.org/10.1136/bmj.n1448 Rastogi, T., Reddy, K. S., Vaz, M., Spiegelman, D., Prabhakaran, D., Willett, W. C., Stampfer, M. J., & Ascherio, A. (2004). Diet and risk of ischemic heart disease in India. The American Journal of Clinical Nutrition, 79(4), 582–592. https://doi.org/10.1093/ajcn/79.4.582 If you have any questions about sources for things discussed please ask in the comments.
73 MIN
MAY 9, 2024
Ep. 22: John Speakman—What Causes Obesity?
Introduction I am honored to be joined by John Speakman, a leading authority on energy balance in animals, and in the use of the doubly-labeled water method of determining energy balance. This has led him into the study of obesity, among other topics, where he has become a recognized expert. Our discussion was prompted by his recent paper, "Total Daily Energy Expenditure Has Declined Over the Past Three Decades Due to Declining Basal Expenditure, Not Reduced Activity Expenditure", which casts a new light onto the world pandemic of obesity. In addition to discussing a few of the papers that give some background to that one, and his future research plans in light of that paper, we have an enlightening discussion on the potential role of deuterium in obesity and chronic disease. Biography: "John Roger Speakman (born 1958) FRS FRSE FRSB FRSA FMedSci FRSS is a British biologist working at the University of Aberdeen, Institute of Biological and Environmental Sciences, for which he was Director from 2007 to 2011. He leads the University's Energetics Research Group, which is one of the world's leading groups using doubly labeled water (DLW) to investigate energy expenditure and balance in animals. Between 2011-2020, he was a '1000 talents' Professor at the Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, in Beijing, China, where he ran the molecular energetics group. In 2020 he moved to the Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences in Shenzhen, China where he works at the Center for Energy Metabolism and Reproduction and Head of the Shenzhen Key laboratory of Metabolic Health." https://en.wikipedia.org/wiki/John_Speakman _______________________________________ Looking to fix your diet by getting rid of seed oils? Check out the Seedy app! https://www.seedyapp.com/ Tucker Goodrich Substack: https://tuckergoodrich.substack.com/ Twitter: https://twitter.com/TuckerGoodrich Youtube: https://www.youtube.com/tuckergoodrich0 Apple podcast: https://podcasts.apple.com/us/podcast/tucker-goodrich-podcast/id1617481825 Spotify podcast: https://open.spotify.com/show/7wVZ3TnRjGsa1cP2gzWY0y Podcast: https://sites.libsyn.com/408758 Blog (deprecated, but still a lot there!): http://yelling-stop.blogspot.com/ _______________________________________ Show Notes Hu, S., Wang, L., Yang, D., Li, L., Togo, J., Wu, Y., Liu, Q., Li, B., Li, M., Wang, G., Zhang, X., Niu, C., Li, J., Xu, Y., Couper, E., Whittington-Davies, A., Mazidi, M., Luo, L., Wang, S., … Speakman, J. R. (2018). Dietary Fat, but Not Protein or Carbohydrate, Regulates Energy Intake and Causes Adiposity in Mice. Cell Metabolism, 28(3), 415-431.e4. https://doi.org/10.1016/j.cmet.2018.06.010 Wu, Y., Li, B., Li, L., Mitchell, S. E., Green, C. L., D'Agostino, G., Wang, G., Wang, L., Li, M., Li, J., Niu, C., Jin, Z., Wang, A., Zheng, Y., Douglas, A., & Speakman, J. R. (2021). Very-Low-Protein Diets Lead to Reduced Food Intake and Weight Loss, Linked to Inhibition of Hypothalamic Mtor Signaling, in Mice. Cell Metabolism, 33(6), 1264–1266. https://doi.org/10.1016/j.cmet.2021.04.016 McNay, D. E. G., & Speakman, J. R. (2013). High Fat Diet Causes Rebound Weight Gain. Molecular Metabolism, 2(2), 103–108. https://doi.org/10.1016/j.molmet.2012.10.003 Speakman, J. R., De Jong, J. M. A., Sinha, S., Westerterp, K. R., Yamada, Y., Sagayama, H., Ainslie, P. N., Anderson, L. J., Arab, L., Bedu-Addo, K., Blanc, S., Bonomi, A. G., Bovet, P., Brage, S., Buchowski, M. S., Butte, N. F., Camps, S. G. J. A., Cooper, J. A., Cooper, R., … Wong, W. W. (2023). Total Daily Energy Expenditure Has Declined Over the Past Three Decades Due to Declining Basal Expenditure, Not Reduced Activity Expenditure. Nature Metabolism, 5(4), 579–588. https://doi.org/10.1038/s42255-023-00782-2 Gurven, M., Kraft, T. S., Alami, S., Adrian, J. C., Linares, E. C., Cummings, D., Rodriguez, D. E., Hooper, P. L., Jaeggi, A. V., Gutierrez, R. Q., Suarez, I. M., Seabright, E., Kaplan, H., Stieglitz, J., & Trumble, B. (n.d.). Rapidly Declining Body Temperature in a Tropical Human Population. Science Advances, 6(44), eabc6599. https://doi.org/10.1126/sciadv.abc6599 Protsiv, M., Ley, C., Lankester, J., Hastie, T., & Parsonnet, J. (2020). Decreasing Human Body Temperature in the United States Since the Industrial Revolution. eLife, 9, e49555. https://doi.org/10.7554/eLife.49555 Linares, C., & Su, D. (2005). Body Mass Index and Health Among Union Army Veterans: 1891–1905. Economics & Human Biology, 3(3), 367–387. https://doi.org/10.1016/j.ehb.2005.06.002 Sørensen, T. I. A., Martinez, A. R., & Jørgensen, T. S. H. (2022). Epidemiology of Obesity. In J. Eckel & K. Clément (Eds.), From Obesity to Diabetes (pp. 3–27). Springer International Publishing. https://doi.org/10.1007/164_2022_581 Schramm, S., Sørensen, T. I. A., Davidsen, M., & Tolstrup, J. S. (2023). Changes in Adult Obesity Prevalence in Denmark, 1987–2021: Age–Period–Cohort Analysis of Nationally Representative Data. European Journal of Public Health, 33(3), 463–467. https://doi.org/10.1093/eurpub/ckad024 Haggerty, C., Hoggard, N., Brown, D. S., Clapham, J. C., & Speakman, J. R. (2008). Intra-Specific Variation in Resting Metabolic Rate in Mf1 Mice Is Not Associated with Membrane Lipid Desaturation in the Liver. Mechanisms of Ageing and Development, 129(3), 129–137. https://doi.org/10.1016/j.mad.2007.11.001 Zhang, L.-N., Gamo, Y., Sinclair, R., Mitchell, S. E., Morgan, D. G., Clapham, J. C., & Speakman, J. R. (2012). Effects of Chronic Oral Rimonabant Administration on Energy Budgets of Diet-Induced Obese C57BL/6 Mice. Obesity, 20(5), 954–962. https://doi.org/10.1038/oby.2011.357 "There were four suicides in the rimonabant group (0·07%) and one in the placebo group (0·02%). The number of deaths for bariatric surgery, a widely used alternative treatment for severe obesity, would have been expected to be far greater, and in centres of excellence has been reported to be 0·3% at 90 days.2" Topol, E. J., Bousser, M.-G., Fox, K. A., & Montelescot, G. (2010). Termination of the CRESCENDO trial – Authors' reply. The Lancet, 376(9757), 1984–1985. https://doi.org/10.1016/S0140-6736(10)62256-8 Else, P. L., & Hulbert, A. J. (1987). Evolution of Mammalian Endothermic Metabolism: "Leaky" Membranes as a Source of Heat. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 253(1), R1–R7. https://doi.org/10.1152/ajpregu.1987.253.1.R1 Speakman, J. R., Sørensen, T. I. A., Hall, K. D., & Allison, D. B. (2023). Unanswered Questions About the Causes of Obesity. Science, 381(6661), 944–946. https://doi.org/10.1126/science.adg2718 Deuterium Boros, L., Collins, Q., & Somlyai, G. (2018, September 24). Deuterium and Metabolic Water Matter – What This Means Biochemically and Clinically. https://www.science.org/doi/10.1126/sciadv.aat7314#elettersSection If you have any questions about sources for things discussed please ask in the comments.
93 MIN