Many of us like to keep our lives on an even keel without too much rocking the boat. However, new ideas, new facts and new treatments all lead to new ways of doing things, to change, to rocking the boat. When faced with changing the way they have always lived, some people kick and scream and fight against changing. Others will change, but only after great and prolonged consideration and under much duress and in distress.

But there are also those who, after reasonable research, see the reasoning, embrace the change, and step forward to become "change agents" - leaders to help others accept a...