It's not the fat that's making you fat: it's not understanding separating carbohydrates from protein and fat.

Think about it - just getting rid of the fat doesn't get rid of the toxins, which are reabsorbed into your body. This creates a vicious cycle. Losing weight without learning to eliminate chemicals is like a merry-go-round. And it's why dieting doesn't work.

Artificial sweeteners may trigger cravings for other sweet foods. When your body is not fed nutrients, it asks again and again for more food, triggering heavy-duty cravings for fattening, sugary foods. Artificial sweeteners also mess with your metabolism.

From middle age on, there's nothing more vital to your health and weight control than building lean muscle mass, and the only way that happens is with weight training and exercise.

I am living proof that if you catch prostate cancer early, it can be reduced to a temporary inconvenience, and you can go back to a normal life.

Years ago nobody was elected on the economic ticket. It was either the education platform, or it was health or it was other issues. It is only recently that economic values have superceded every other human value.

I'm on the advisory board of Alex's Lemonade Stand, which is a children's cancer charity. I'm so proud to be on that and help them.

In choosing global corporate partners UNICEF emphasises compatibility with our core values and looks to build alliances that advance our mission of ensuring the health, education, equality and protection for all the world's children.