The SAS Reserve tends to be made up of former paratroopers and commandos who still want a challenge, but it is open to civilians.

Juice Plus+ is great stuff that I have used through all of my expeditions. What I like about it is that the research behind it is so strong. It is 100% natural, is whole food based, and I love the fact that it provides raw, anti-oxidant fruit and veg in a capsule form. For me it fulfills a key part of my nutrition, training and recovery needs.

I have held healthy respects of bears along with assorted crocodiles, snakes and lots of other animals. You know, bears are dangerous, you have to be super careful.

I've fallen down crevasses, been bitten by snakes, been knocked unconscious, had various limbs broken and once, a heavy camera came plunging down which very nearly decapitated me.

And if you give your heart to a goal, it will repay you. It's the law of the universe.

If you risk nothing you gain nothing

To get ready to climb Everest, I did a lot of hill running with a daypack on and a lot of underwater swimming. I would swim a couple of lengths underwater and then a couple above. It gets your body going with limited oxygen.