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.

BBC Sounds, music radio podcasts.

Time to stand up.

We would all like some quick and simple ways to improve our health,

but we're bombarded with often conflicting advice. So if you were going to do just one thing to improve your mental and

physical well-being, what should it be? Maybe a few minutes of sunshine each

day to strengthen your immune system. Or some dark chocolate to help your heart,

or even playing video games to boost your brain power.

I'm Dr Michael Mosley,

and this is just one thing, where each episode will explore one thing you can start doing today to improve your health or life in ways you might not expect.

So I've been sitting at my desk now for an hour or so trying to get some work done and I'm

back to do something that really could have a long-term impact on my health by lowering my blood sugars

and burning a surprising amount of calories.

Yeah, it's as simple as that. I'm standing up. That's it. I'm not about to go for a walk with a dog, or do my beloved

squats. I am just standing here. Now I'm a science journalist, so I do spend a lot of my time sitting at a desk.

...