We know cancer is caused ultimately via a link between the environment and genes. There are genes inside cells that tell cells to grow and the same genes tell cells to stop growing. When you deregulate these genes, you unleash cancer. Now, what disrupts these genes? Mutations.

I think the cardinal rule of learning to write is learning to read first. I learned to write by learning to read.

The history is important because science is a discipline deeply immersed in history. In other words, every time you perform an experiment in science or in medicine, what you're actually doing is you're answering someone, answering a question raised by someone in the past.

Writing anything as an expert is really poisonous to the writing process, because you lose the quality of discovery.

I'm not a health freak. I just work out every day.

As a cancer doctor, I'm looking forward to being out of a job.

It's important for moms, but also dads, to recognize that they're role models when it comes to their kids' physical health, when it comes to working out, and when it comes to nutrition.

My experience as a school nurse taught me that we need to make a concerted effort, all of us, to increase physical fitness activity among our children and to encourage all Americans to adopt a healthier diet that includes fruits and vegetables, but there is more.