You probably know that losing weight is really hard. But it may not be just because of your cheat day frequency; your body actually fights back to make losing weight harder. Hosted by: Stefan Chin SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Greg, Alex Schuerch, Alex Hackman, Andrew Finley Brenan, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: europepmc.org/backend/ptpmcrender.fcgi?accid=PMC2926239&blobtype=pdf www.nejm.org/doi/full/10.1056/NEJM199503093321001#t=article www.physiology.org/doi/pdf/10.1152/ajpregu.00755.2010 www.ncbi.nlm.nih.gov/pmc/articles/PMC6039924/ www.nejm.org/doi/full/10.1056/NEJM199503093321001#t=article www.ncbi.nlm.nih.gov/pmc/articles/PMC3693571/ www.ncbi.nlm.nih.gov/pmc/articles/PMC4236233/ onlinelibrary.wiley.com/doi/full/10.1002/oby.20967 onlinelibrary.wiley.com/doi/full/10.1111/obr.12255 onlinelibrary.wiley.com/doi/full/10.1002/oby.21538 www.ncbi.nlm.nih.gov/pubmed/6694559 pdfs.semanticscholar.org/cec8/8cc388fe9546927b2ccc95d8f20ecfe4d7a5.pdf Image Sources: www.istockphoto.com/photo/cheesy-pepperoni-pizza-gm938738190-256696209?clarity=false commons.wikimedia.org/wiki/File:Illu_connective_tissues_1.jpg en.wikipedia.org/wiki/Leptin#/media/File:Leptin.png www.istockphoto.com/vector/the-endocrine-system-gm494807628-77658661 www.istockphoto.com/photo/woman-with-barefoot-standing-on-the-scales-new-start-for-healthy-nutrition-body-gm935271434-255940888 www.istockphoto.com/photo/man-before-and-after-weight-loss-fat-and-slim-body-gm912895148-251307045 www.istockphoto.com/photo/sculpting-her-body-gm891441272-246866363 www.istockphoto.com/vector/trying-to-lose-weight-gm502046318-81677719