In the Bill Moyers show, the most striking demonstration I saw was an experiment done with some laboratory mice.

Do you remember Pavlov's Dogs... "conditioned reflex" where he would ring a bell every time he fed his dogs, so after a while the dogs would associate the bell with the food, and soon just hearing the bell would cause the dogs to salivate even if there was no food around. The response that Pavlov discovered wasn't something "learned" as in "thinking about it" it was a direct connection that was established in the dog's brains that became strong over time until the two actions were strongly associated together in the dog's reflex system (causing the salivation).

These laboratory mice had an illness that had to be treated with medication. Without the medication the mice would get sick. The experiment was that with one group of mice, every time they gave the mice the medication, they would ring a bell. After establishing a strong connection, they were able to ring the bell without giving the medication and the mice stayed healthy!!! This was a very limited experiment, but examinations of the mice showed that the ones in the "bell" group had physical changes to their immune systems that the scientists could see and measure.

So "Mind" and "Body" do have a connection with regard to healing and illness that science can recognize.