God gave us free will, and we may choose to exercise it in ways that end up hurting other people.

I trained initially as a physical chemist, and then, after becoming interested in biology, I went to medical school and learned how to be a physician. So, I'm a physician scientist.

All illnesses have some heredity contribution. It's been said that genetics loads the gun and environment pulls the trigger.

A virus is not just DNA; a virus is also packaged up, covered over with a series of proteins in a nice, elegant, well-compacted form.

We give our kids vaccinations. That's a biological enhancement that's considered not just acceptable but actually admirable.

In my own experience as a physician, I have not seen a miraculous healing, and I don't expect to see one.

So much of what we are currently seeing as far as human suffering and misery comes from diseases that should have been preventable but were not.