Smart vacations lead to greater happiness and energy at work and, therefore, greater productivity, intelligence, and resilience.

Too many people limit their happiness and success by assuming that taking time off from work will send a negative message to their manager and slow their career advancement.

You've probably noticed how when someone says hello or smiles at you, your automatic reaction is to say hello or smile back.

The idea of investing in the positivity of employees is often low down on companies' priority lists.

We need to start training more primary health providers and fewer specialists. We will never be able to control health care costs unless we challenge the over-emphasis on medical research, specialists and technology and put more emphasis on delivering good, everyday basic medicine to those who now have none.

So I've broadened the fitness concept to make it one of moderation and balance.

In the African-American community, we struggle with a lot of health problems that have a lot to do with our diet.

What I'm saying is it is our responsibility to exercise due diligence, to ask the tough questions, to get the evidence before we make those very costly decisions about how and when and where our military is used.