There is an ongoing discussion of whether this should be used across the board as an effective way of screening for cancer.

I'm glad to see the work being done, ... It's a simple, noninvasive, potentially inexpensive test that will pick up early lung cancer. That would certainly be a big help.

Anything that can give us a clue about survival is important. Like many other things of this kind, we hope it just opens the door to new research.

We're gambling with other things in the environment or genes or both, ... The fact that Jennings smoked for a long period of time increased his risk of getting lung cancer. How much that risk was dissipated by stopping for 20 years I don't know, but it was obviously not entirely.

There are a lot of people just using the quick relievers now. If those are not available, that could be a very serious problem.

About 30 [percent] to 40 percent [of asthmatics] are allergic to mold, ... I anticipate a great need for emergency care. I don't want to sound alarmist, but 4,000 people die of asthma attacks every year in the U.S., and I worry there will be a lot of asthma attacks.

You're not going to feel like exercising with the flu, ... You're going to feel like crawling into bed.

It?s worthy of scientific study. I can tell you none have been planned. But it is tobacco. And all tobacco contains any number of chemicals that are harmful.

Quitting is good. It's always good to quit, no matter how long you've smoked, ... You'll reduce your risk of lung cancer, reduce the degree to which you have chronic obstructive pulmonary disease, reduce your risk of other types of cancer and of heart disease. The data is very clear. Even if you're 75, you can benefit from stopping.

The quality of the institution was getting better. The scandal will set it back. This is the tragedy.