Ageing is malleable, we can control it. 20% of our health in old-age is due to genetic factors, and the rest is due to our lifestyle. We can measure this clock. It's literally measuring chemicals in our own DNA. Here's the good news…. That number can be changed. If you smoke, if you don't exercise, if you eat lots of fatty foods, that number will accelerate and if you do the right things, perhaps even take some medicines, you can slow that number down – even reverse it.

I give all of you permission whereby, if I change the way I behave, my beliefs, the way we are going, I give you permission to hit me in my face, you need to bring me back to reality.

Enough conspiracy theories are true, it pays to believe more of them are true than actually are, make a type 1 error, false positive, you thought something was real when it wasn't, as opposed to a type 2 error where you failed to recognise a real conspiracy which could be costly.

I define authenticity as the consistent practice of choosing to know who we are and embracing who we are. For a lot of us, we come to know who we are, but then we rail against our identities.

We need to change our hearts and minds, not just our behaviours. Forget even the moral argument, discriminating is such a waste. It is from our diverse cultures and communities that we could find the cure for cancer, where we could find all of the solutions for some of our most pressing problems.