Every rule you've followed governs what goes into your body. Almost none of them examine what surrounds it. Diligence was never the problem: scope was.

The word "remediation" covers everything from S520-standard work to a quick spray and paint. Here's how to tell the difference, and what to ask before the works.

A shared environment is the one exposure a whole household has in common. The variety of symptoms isn't evidence against the house – it's characteristic of it.

If the wheeze eases on holiday and returns within a week of coming home, the pattern you’ve noticed is worth investigating.

Standard blood panels are designed to find disease, not the environmental exposures that keep a body unwell. If your tests are normal but you aren't, your home may be worth investigating.

Before I was a naturopath and building biologist, I was the patient with confusing symptoms and a pile of normal test results. This is what I learned, and why it matters for you.