If you could have a conversation with your younger self, what would you tell them?

Anonymity is our most valuable gift.

I'm Kristi Young, and in Young again, I'll be asking my guests what honest advice they would give their past self.

Believe it when they say that loving yourself is the answer.

Among those joining me will be Jamie Oliver, Jeda Pinkett Smith and Mel B.

I knew that I had a voice and I knew that I wanted to say certain things and represent certain things.

Young again, with me, Kirstie Young.

Listen on BBC Sounds. Music Radio Podcasts.

There's a chill in the air.

As winter arrives, bringing shorter days and longer nights. Traditionally, this is the time to wrap up to try and keep warm.

But the cold isn't always the enemy, something to bat away, to keep at bay.

The cold is something we can at times work with and harness in ways that can help our health and well being.

This is cold therapy with me Dr Michael Mosley.

In this BBC Radio 4 podcast series I'm going to look at the science behind how the cold affects us.

Based on the latest research we'll reveal some simple, safe and practical things you can do and the effect they'll have.

If you choose to invite in the colder months come round, like a hibernating bear, I find myself heading to bed earlier than normal in the evenings, looking for the warmth

and comfort of the do they.

There is, after all, something very lovely about burying yourself under the bedsheets when your

bedroom is really cold.

Interestingly enough, not only do I get to bed early in the winter, but I sleep longer and my sleep tracker tells me the sleep I'm getting is deeper and better quality.

So what role does the cold play in this and how can you harness it to improve your nightly

rest? If you are a poor sleeper there is lots you can

...