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'm a clown, which could be a public health role. I'm really interested in moving our society away from a society needing Xanax and Prozac, and that is really feeling depressed, to one that is celebrating, and so I find just walking around in colorful clothes, people smile.

I'm proud of the fact that I thought of the solar wind. It was an exercise in pursuing curiosity, which is the main motivation for studying physics from a personal standpoint.

Why is there an end of the year? Because the calendar imposes numerical order on time. There is a natural fitness in the celebration of the New Year, a holiday of numbers imposed on things, with lists, as well as with Advent calendars and songs like 'The Twelve Days of Christmas.'

I've had one very bad ankle injury but otherwise I've been incredibly lucky with my fitness. I've worked hard at it and I've always been fit even compared to other players. That sustains you through various parts of your career, but I am 36.