It's not that we simply get old, and memory starts to go, and sleep starts to deteriorate. But those two things actually are significantly interrelated.

If you were not to set an alarm clock, would you sleep past it? If the answer is yes, then there is clearly more sleep that is needed.

Many business leaders still believe that time on-task equates to productivity. Even in the industrial era of rote factory work, this was untrue. It is a misguided fallacy, and an expensive one, too. Every key facet required for business success will fail when sleep becomes short within an organisation.

Below seven hours of sleep, there are objective impairments in the body. Eight hours are recommended.

If any country was a mine-shaft canary for the reintroduction of cholera, it was Haiti - and we knew it. And in retrospect, more should have been done to prepare for cholera... which can spread like wildfire in Haiti... This was a big rebuke to all of us working in public health and health care in Haiti.

The health-care law, irrespective of how people feel about the aims of it - and obviously I don't agree with Obamacare - but the worry that some businesses have about how the law will impact their bottom line has made people more apprehensive about expanding and growing their business in the 21st century.

I am not saying do not give people equal health services but do not pretend that giving more money for diabetes or chronic diseases means you are going to deal with the origins of health inequalities.

When you feel great, you emanate a certain energy that translates as beautiful. I don't care if you have the standard beauty or not; it's that X-factor that comes through, and the basis of that is good health.