Winter Is Coming

After Hours with Dr Vincent and Stephen · Apr 16, 2026 · 47m

Winter is coming — and I have to say, I find it a little cheeky that I came up with that title while sitting at my desk in 30-degree Sydney heat on a Saturday. By Sunday it was 12 degrees overnight, so perhaps the universe agreed with me.

In this episode, Stephen and I get into the real biology of why we fall sick when the temperature drops. It is not just about germs — it is about how our behaviour changes, how we stop drinking enough water without even realising it, how our gut health suffers, and how the dry air that comes with cold weather quietly inflames our airways. We also talk about…