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Home > The Doctor's Kitchen Podcast > #337 Why Mould Harms Your Health and How to Protect Yourself | Dr Peter Cook PhD
Podcast: The Doctor's Kitchen Podcast
Episode:

#337 Why Mould Harms Your Health and How to Protect Yourself | Dr Peter Cook PhD
Category: Health
Duration: 00:51:54
Publish Date: 2026-02-25 03:00:00
Description:

I talk a lot about what we eat for our health. But what about the air we breathe at home?


If you or your kids have asthma, constant sniffles, a lingering cough, sinus issues, or you’ve noticed damp patches and that musty smell, this episode could change how you think about your home.

As a new dad, I'm personally really interested in how our home environment shapes early immune development. This conversation made me think differently about ventilation, condensation and what really matters.


My guest is Dr Peter Cook, a Wellcome Trust Sir Henry Dale Fellow at the MRC Centre for Medical Mycology at the University of Exeter. His research looks at how airborne fungal spores interact with the immune system and drive allergic and asthmatic disease, an area that has been surprisingly neglected.


In this episode, we go into:

  • What mould actually is and when it becomes a problem
  • What is a safe level of mould?
  • How mould exposure can trigger asthma and allergic disease
  • Who’s most at risk
  • Whether mould testing kits are worth your money
  • If dehumidifiers and air purifiers actually work
  • Practical steps you can take this week to reduce your exposure and protect your health


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