According to the World Health Organization, most of the world’s population now lives in countries where obesity kills more people than malnutrition. In this insightful lecture, explore the two-pronged pathway to global obesity: decreased physical activity and radical changes in diet (including the massive consumption of sugar). This free full-length lecture comes from the course Food, Science, and the Human Body. Learn more about this course and start your FREE trial of The Great Courses Plus here: www.TheGreatCoursesPlus.com/show/food_science_and_the_human_body?utm_source=US_OnlineVideo&utm_medium=SocialMediaEditorialYouTube&utm_campaign=151289 About This Course: It may be a well-worn saying, but scientific data backs it up: You are what you eat. Not only that: You are what your earliest ancestors ate. In short, the story of humanity is inextricably linked to the story of food. Throughout history, our evolution as a species has been inextricably linked to the foods we eat. It’s a relationship that goes back nearly 2.8 million years to our roots as hunters and gatherers. And it continues to the present day in the form of debates over good nutrition and the future of food on an overpopulated planet. Food has led to the rise of epic civilizations. It’s shaped—and been shaped by—watershed moments in human history, from the dawn of animal husbandry to the industrial age of mass production to the 21st-century farm-to-table movement. Most importantly: It’s led to the amazing behavioral and nutritional flexibility of the bodies we have. Understanding our current—and future—relationship with food warrants a look back in time to the roots of food and food culture, and its intersection with science. What foods did the human body evolve to eat, and why? Which foods changed the course of history, and how? How does the food we eat affect our genes and our minds? What foods are (and aren’t) optimal for our everyday health? Can we use cutting-edge science to end world hunger? In Food, Science, and the Human Body, award-winning Professor Alyssa Crittenden of the University of Nevada, Las Vegas offers eye-opening answers to these and other perplexing questions about the evolution of the human diet and its relationship to our bodies. Bringing together insights from a range of fields including anthropology, biology, history, nutrition, health science, economics, and sociology, this exciting partnership between The Great Courses and National Geographic lays bare what science can teach us about food. Cutting through politics and separating myth from reality, these 36 lectures contain everything you need to know about everything you eat – and why you eat it. Learn more about this course and start your FREE trial of The Great Courses Plus here: www.TheGreatCoursesPlus.com/show/food_science_and_the_human_body?utm_source=US_OnlineVideo&utm_medium=SocialMediaEditorialYouTube&utm_campaign=151289 Please like/comment/share! And don't forget to subscribe to our channel - new videos are being added all the time! www.youtube.com/subscription_center?add_user=TheGreatCourses Follow us on Twitter: twitter.com/thegreatcourses And on Facebook: www.facebook.com/TheGreatCourses Check out more of our videos in these playlists: • Science: www.youtube.com/playlist?list=PLjlnbdCliaJEgqim5eTfDlciWrk5ClMoZ • Math: www.youtube.com/playlist?list=PLjlnbdCliaJEi2s1OIWGVUpG4nFYMo-WG • History: www.youtube.com/playlist?list=PLjlnbdCliaJH5gPqfxfQNBQHKC1H83XNt • Literature & Writing: www.youtube.com/playlist?list=PLjlnbdCliaJFNpF0sHnyfv6YaQyHWLnS7 • Photography (in partnership with National Geographic): www.youtube.com/playlist?list=PLjlnbdCliaJEqzNy2SvlRkCejtVsvhGZ2 • Cooking (in partnership with The Culinary Institute of America): www.youtube.com/playlist?list=PLjlnbdCliaJFzDUkdjRybfJk_w9qKzwLW • Health, Fitness, and Nutrition: www.youtube.com/playlist?list=PLBB9AA822BC52EA6F • Fine Arts & Music: www.youtube.com/playlist?list=PLjlnbdCliaJHCWKq9ecOVmPtfDD27BpgC • Business & Economics: www.youtube.com/playlist?list=PLCED2FB964D9E5AC2 • Philosophy & Intellectual History: www.youtube.com/playlist?list=PLjlnbdCliaJFv18-usTZvWWt7DBck_tLG • Religion & Theology: www.youtube.com/playlist?list=PLjlnbdCliaJGXGrAwYybPZxPP4uF_Dw8c • Professional & Personal Development: www.youtube.com/playlist?list=PLjlnbdCliaJEGidyFUTuYptC3fB1oUY-B

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