Here's the number one reason Americans are heavy: The brain, very smartly, wants nutrition. But the average American is not eating nutrients; he or she is eating empty calories. So you finish that 2,000 calories and your brain says, Keep going until you get nutrients.

Medicine has always been my calling.

Women are much more sensitive. We know that emotionally but their organs respond to the same degree.

Packaged foods, partially hydrogenated oils and enriched flours are not your friends. Above all, remember this one word: transfats. Avoid it at all costs.

Every hour you sit at work increases your mortality 11 percent. Think about that.

Rather than munching on a bag of potato chips, stick to fresh fruit and veggies.

Food is no longer sacred to us: in becoming too efficient we've changed its nature.