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NOVA Episodes

The Truth About Fat

Scientists are coming to understand fat as a dynamic organ—one whose size may have more to do with biological processes than personal choices. Explore the mysteries of fat and its role in hormone production, hunger, and even pregnancy.

Premiere Date: April 8, 2020 | Runtime: 00:53:38

Season 47

About NOVA

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.