Check out The Serengeti Rules, airing October 9th at 8pm ET on PBS, or at to.pbs.org/2oxTWF4 to learn how five pioneering scientists discovered a single set of rules that govern all life! There are a whole lot of people out there who have bought into the notion that, in order to be physically fit, you should aim for taking 10,000 steps a day. But where did this idea come from, and how did we all agree on this magical, perfect number of steps? 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 ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Matt Curls, Sam Buck, Christopher R Boucher, Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, 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: www.theguardian.com/lifeandstyle/2018/sep/03/watch-your-step-why-the-10000-daily-goal-is-built-on-bad-science www.bbc.com/news/health-42864061 www.researchgate.net/publication/5293674_Revisiting_How_Many_Steps_Are_Enough jamanetwork.com/journals/jamainternalmedicine/article-abstract/2734709 www.ncbi.nlm.nih.gov/pmc/articles/PMC3197470/ www.hhs.gov/fitness/be-active/physical-activity-guidelines-for-americans/index.html ijbnpa.biomedcentral.com/articles/10.1186/s12966-019-0769-6 www.cdc.gov/features/physical-activity-disabilities/index.html health.gov/paguidelines/second-edition/pdf/PAG_ExecutiveSummary.pdf health.gov/paguidelines/second-edition/report/

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