Jonathan Dimbleby

As it is, the grotesque distortions of the global market mean that for every dollar the West dispatches to Africa in the form of aid, two dollars are clawed back through subsidies and tariff barriers: a monumental rip-off by the rich as they instruct the poor to accept 'free' trade or else.

Recently, I had a hip resurfaced. It's different from a hip replacement because it's done with titanium. I like to think that it's the consequence of riding horses so strenuously, but I fear it's much more mundane and was just early-onset arthritis.

My mum and dad ran a family cafe in Sligo for 35 years and worked long hours. We grew up in a very hard-working family and had a lovely atmosphere, as we lived above the restaurant. It definitely made me want to work hard, whatever I chose to do. As the baby of seven kids, I was definitely a bit spoilt.

The importance of heart health became very real for me when my father died of heart disease seven years ago. Having experienced the loss first hand, I am inspired to do everything I can to break the cycle and prevent families from losing loved ones to this preventable disease.