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Ozempic's Surprising Real Power

Season 51 | 3m 51s

Scientists thought Ozempic, and other similar drugs, helped people lose weight by working primarily in the gut. But now it's looking like it's real power could be in the brain.

National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
Extras
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
What are the weirdest worlds in our solar system, and how did they come to be?
In recent decades, there's been renewed interest in studying ibogaine.
AI-generated photos are video are getting so good that it’s hard for humans to tell what’s real.
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
Ak-chin farming makes desert agriculture possible, and now, those practices help communities today.
Reintroducing the hogan, an earthen Navajo structure that stays cool in the summers without AC.
Following a local Unangax̂ hunter, hear the realities of food access in the changing Arctic.
Using photo archives and ancestral knowledge, witness coastal erosion in Bristol Bay, Alaska.
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  • NOVA Season 34
  • NOVA Season 33
  • NOVA Season 32
  • NOVA Season 31
  • NOVA Season 30
  • NOVA Season 28
  • NOVA Season 27
  • NOVA Season 23
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
What are the weirdest worlds in our solar system, and how did they come to be?
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
Explore big discoveries that have revolutionized our understanding of the universe.
Explore the spectacular cosmic phenomenon of a total solar eclipse.
Explore the promise and perils of new A.I. technologies.
Find out who’s using your data and what you can do about it.
Follow the quest to recover DNA millions of years old for the very first time.
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.