When you're dealing with a very sick person and you're doing something to them, an intervention, be it a procedure or a medication, safety is critical.

You can have an epidemic in a state. You can have it in a region. You can have it in a country where the critical level of disease passes a certain threshold, and we call that an 'epidemic threshold.'

It is now widely recognized that any attempt at malaria eradication must be a long-term commitment that involves multiple interventions, disciplines, strategies and organizations.

The world is a place that is so interconnected that what happens in another part of the world will impact us.

When you have cancer, it's like you enter a new time zone: the Cancer Zone. Everything in the Tropic of Cancer revolves around your health or your sickness. I didn't want my whole life to revolve around cancer. Life came first; cancer came second.

If I eat junk food and have a workout the next day, I feel a significant difference in the way my body responds to exercise. I'm sluggish, tired and run out of energy very quickly.

The notion that the mind and body are actually different sides of the same coin goes all the way back to the origins of medicine. For most of its history, the practice was not separated from other aspects of human activity.

I lost my mom to cancer when I was a kid.