Breakfast with my favorite doctor always yields a juicy insight or two. His fun fact for today: the average healthy person carries about 25 million cancer cells in his or her body -- and about 10,000 of them are malignant.

Our miraculous bodies handle this threat with absolutely no problem. The trick our immune systems performs is keeping all those nasty cells apart. But let them clump together, forming little colonies of evil, and we're in big trouble.

One of the key leadership issues, whether for the country or your sales team, is dealing with the little malignant cells of doubt and fear that will sap the energy you need to get the job done. Take a tip from Mother Nature: don't let them reach critical mass.

Labels: leadership, marketing, sales