Another advantage of avoiding sodas is that you will avoid the caffeine that is in many of them. Caffeine is a weak diuretic that causes calcium loss via the kidneys.

People have to know that if they've wanted to lose weight, if they've wanted to get their diabetes better and get their cholesterol down, here is how it works. Beyond that point, you can't force people into changes, you have to guide them.

In my own life, I decided to leave meat off my plate in medical school, but was a bit slow to realise that dairy products and eggs are not health foods either.

In China, because China is gaining wealth, rice consumption is way down. Rice is a poor person's food, and they're eating less of it. To wait in line at a fast food chain is cool. And they haven't historically had weight problems. So they don't have this culture of, "I need to lose weight."

I was aware of what animals go through because I had driven animals to slaughter and I'd killed animals. And I was aware that there were certain ethical issues, but they weren't preying on my mind very heavily.

The thinnest people on the planet are those who eat the most carbohydrates.

I think herd mentality is a good thing overall. Because if every sheep had to figure out the velocity of the wolf and their personal risk, that would take forever.