I'm Dr. Brian Goldman, host of the CBC Podcast, The Dose. Each week we answer vital health questions

that will help you thrive, like, what does my mental health have to do with my gut?

How can I prevent melanoma? How much sleep do I

really need and how can I manage my health without a family doctor? I chat with

the top experts to bring you the latest evidence in plain language all in about 20 minutes.

Find the dose on the CBC Listen app or wherever you get your podcasts.

This is a CBC podcast.

The following episode contains difficult subject matter.

Listener discretion is advised.

If you want to learn more about how to prevent child sexual abuse, go to cbc.c.a slash hunting warhead help.

In the year that I spent reporting for this series, I've interviewed an anonymous pedophile in an airport hotel.

I've interviewed victims, and I've spent hours and hours speaking to Warhead himself.

Hi. No, hi, how are you?

Good. But this, this is the interview I've been most nervous about.

It's nice to put it face to the one.

Yeah, nice to meet you.

I don't know where you want to sit.

Wherever you guys are going to come for? Well, we're trying to figure out where we don't know where you want to sit. Wherever you guys are comfortable?

Well, we're trying to figure out where we don't have heat in Northern Ontario, so this is kind of...

It's mid-summer.

There's a heat wave in North Bay, Ontario.

Come on in, call some chairs, into the shape.

...