What Happens to Your Body When You Stop Eating Sugar for 30 Days

The average American eats about 17 teaspoons of added sugar a day. So what happens if you just stop? Stan quits added sugar for 30 days, and we follow what happens inside his body: hour 1, days 1-3, day 10, weeks 2-3 and day 30. Plus the 1965 story of who paid for the "blame fat" science, and a twist about the famous "sugar is like cocaine" experiment. CHAPTERS 0:00 Why quit sugar? 0:41 How much sugar Stan really eats 1:53 1965: the sugar industry's secret 2:49 Hour 1: the sugar rush myth 3:37 Days 1-3: cravings 4:26 Day 10: the liver 5:19 Weeks 2-3: taste buds reset 6:11 Day 30: weight, teeth, skin, heart 7:20 The twist: is sugar like cocaine? 8:18 How to copy Stan SOURCES • 17 teaspoons a day / ~57 lb a year: UCSF SugarScience — https://sugarscience.ucsf.edu/the-gro... • Sugary drinks are the top source of added sugar: CDC — https://www.cdc.gov/healthy-weight-gr... • WHO guideline on free sugars (2015) — https://www.who.int/publications/i/it... • The 1965 Sugar Research Foundation documents: Kearns, Schmidt & Glantz, JAMA Internal Medicine (2016) — https://doi.org/10.1001/jamainternmed... • "Sugar rush" myth, 31 studies: Mantantzis et al., Neuroscience & Biobehavioral Reviews (2019) — https://doi.org/10.1016/j.neubiorev.2... • Liver fat 7.2% → 3.8% in 9 days: Schwarz et al., Gastroenterology (2017) — https://doi.org/10.1053/j.gastro.2017... • Taste buds after cutting sugar (~40% sweeter pudding): Wise et al., American Journal of Clinical Nutrition (2016) — https://doi.org/10.3945/ajcn.115.112300 • Sugar and night-time awakenings: St-Onge et al., Journal of Clinical Sleep Medicine (2016) — https://doi.org/10.5664/jcsm.5384 • Cutting sugar and body weight (~0.8 kg): Te Morenga et al., BMJ (2013) — https://doi.org/10.1136/bmj.e7492 • Sugar and tooth decay: Moynihan & Kelly, Journal of Dental Research (2014) — https://doi.org/10.1177/0022034513508954 • Low-glycemic diet and acne (12 weeks): Smith et al., American Journal of Clinical Nutrition (2007) — https://doi.org/10.1093/ajcn/86.1.107 • Added sugar and heart-disease death (HR ~2.75): Yang et al., JAMA Internal Medicine (2014) — https://doi.org/10.1001/jamainternmed... • Rats choosing saccharin over cocaine: Lenoir et al., PLoS ONE (2007) — https://doi.org/10.1371/journal.pone.... • Sugar addiction in humans, review: Westwater, Fletcher & Ziauddeen, European Journal of Nutrition (2016) — https://doi.org/10.1007/s00394-016-12... Several of these are observational links, not proof of cause — see the papers for details. This video is for education, not medical advice. If you have diabetes or another health condition, talk to your doctor before changing your diet. Previous episode — 10,000 steps a day:    • What Happens to Your Body When You Walk 10...   Next episode: Stan tries to stay awake for 72 hours. Subscribe so you don't miss it. #sugar #nosugar #healthyhabits