Do Weight Loss Pills Actually Work? Science Explains

What is the real truth about diet pills? Are there any that actually work? How do they affect the body? Learn all of this and more with Hank Green in this health-focused episode of SciShow! Let's go!

Annotations:
Caffeine: https://youtu.be/Xl1XBJLfIDU
Circadian Rhythm: https://youtu.be/UbQ0RxQu2gM
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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