By keeping my hand in that, it's the way I keep learning. The main way you learn in medicine is by practicing and working with patients.

To be clear, I worry as much about the impact of the Internet as anyone else. I worry about shortening attention spans, the physical cost of sedentary 'surfing' and the potential for coarsening discourse as millions of web pages compete for attention by appealing to our base instincts.

Gardening is not trivial. If you believe that it is, closely examine why you feel that way. You may discover that this attitude has been forced upon you by mass media and the crass culture it creates and maintains. The fact is, gardening is just the opposite - it is, or should be, a central, basic expression of human life.

In the world at large, people are rewarded or punished in ways that are often utterly random. In the garden, cause and effect, labor and reward, are re-coupled. Gardening makes sense in a senseless world. By extension, then, the more gardens in the world, the more justice, the more sense is created.

If you set goals for yourself, and you're like a lot of other people, you probably realize it's not that your goals are physically impossible that's keeping you from achieving them; it's that you lack the self-discipline to stick to them. It's physically possible to lose weight. It's physically possible to exercise more.

Reforms to product and labour markets, education, innovation, green growth, competition, taxes, health - they are the things that should be the object of our primary focus in the context of a long-term strategy to restore sustained growth.

We have to realize that science is a double-edged sword. One edge of the sword can cut against poverty, illness, disease and give us more democracies, and democracies never war with other democracies, but the other side of the sword could give us nuclear proliferation, biogerms and even forces of darkness.

From routine hospital visits and prescription drugs, to emergencies and hospice care, Medicare covers the full range of health services that our nation's seniors rely on every single day.