Enjoy your bacon sandwich, while we walk you through the facts and fictions of what science can — and maybe someday, will — do to help people lose weight safely. Annotations: Caffeine: https://youtu.be/Xl1XBJLfIDU Circadian Rhythm: https://youtu.be/UbQ0RxQu2gM Hosted by: Hank Green ———- Dooblydoo thanks go to the following Patreon supporters — we couldn’t make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and Fatima Iqbal. ———- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ———- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://health.howstuffworks.com/medicine/medication/diet-pill1.htm http://science.howstuffworks.com/life/cellular-microscopic/fat-cell1.htm http://abcnews.go.com/Health/WellnessResource/story?id=6770131 http://www.straighthealthcare.com/orlistat.html http://www.sciencedirect.com/science/article/pii/S0031942210002967 https://ods.od.nih.gov/factsheets/WeightLoss-HealthProfessional/ http://ajcn.nutrition.org/content/98/6/1682S.long http://www.nature.com/nature/journal/v481/n7382/full/nature10777.html http://www.livescience.com/51845-irisin-exercise-hormone.html http://www.theatlantic.com/health/archive/2012/01/irisin-the-muscle-hormone-linked-to-the-health-benefits-of-exercise/251501/ http://www.the-scientist.com/?articles.view/articleNo/43738/title/Irisin-Redeemed/ http://www.nature.com/nm/journal/v19/n8/full/nm.3213.html http://www.medicaldaily.com/exercise-pill-offers-effects-physical-exertion-without-sweat-could-it-soon-replace-treadmill-247786 http://jap.physiology.org/content/107/6/1972 http://nymag.com/scienceofus/2014/12/glorious-fat-burning-drug-may-be-in-our-future.html https://www.joslin.org/diabetes-research/turning-up-the-heat-on-brown-fat.html http://breakingmuscle.com/health-medicine/can-you-teach-fat-cells-to-burn-calories-new-research-about-brown-fat