Curiosity Stream
Curiosity Original

Skinny Genes

Bright Now
93% loved this4KCC
Plans start at $4.17/month

When the science of weight points straight to your DNA.

This Bright Now episode examines how genetics shape body weight, from appetite and metabolism to the inherited patterns behind thinness and obesity. Drawing on major research from the UK, it challenges familiar assumptions about willpower and reveals why some bodies respond differently to the same habits. Sign up to watch a sharper, more compassionate look at one of health's most personal questions.

Love Skinny Genes? It’s just the start.

Join now to unlock the whole library — thousands of award-winning documentaries beyond Skinny Genes, from the deep ocean to deep space.

  • New shows weekly
  • Exclusive originals
  • Watch anywhere
  • No commitment

Pick the plan that’s right for you.

Flexible plans, no contracts.

Thousands of documentaries across nature, history, space, and science.

  • Watch in 4K on all your devices
  • Download and watch offline
  • Stream ad-free — cancel anytime
Cancel anytime, on either plan.

Thousands of documentaries across nature, history, space, and science.

  • Up to 4K
  • Offline downloads
  • Ad-free

Frequently asked questions

Got your answer? Pick a plan and start streaming.