What in the World

Do I need to heal my gut?

Dec 31, 2025
Caroline Steel, a science broadcaster, and Alan Walker, a Scottish microbiologist, dive into the truth behind gut health trends flooding social media. Steel explains the microbiome's role in mood and immunity while outlining signs of gut problems. She warns that many marketed products are ineffective. Walker assesses popular gut foods like chia seeds and sea moss, pointing out their limited benefits. Both guests agree that social media remedies often fall short; a medical check-up is crucial if you suspect gut issues.
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ANECDOTE

Personal Gut Health Journey

  • Jade Chang described persistent bloating and digestive issues that harmed her mood and social life.
  • She changed ingredients, reduced trigger foods, and improved sleep and stress to feel more energetic and confident.
INSIGHT

Gut Is Your Whole Digestive System

  • Caroline Steel explains the gut is the whole digestive tract and the microbiome contains trillions of microorganisms.
  • She says a healthy gut affects mood, immunity, energy extraction and inflammation risk.
ADVICE

Seek Medical Help To 'Heal' Gut

  • Caroline Steel says 'heal your gut' usually means restoring microbiome balance and is rarely needed for most people.
  • She advises seeking medical treatment for real problems rather than following extreme social media diets.
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