Innovation Hub Published by Innovation Hub The Science Behind Obesity Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/661603/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend One-third of Americans are obese. We talk with two health experts about why that number is so high and what we can do to change it.