They know what they're doing, but their observations need to be born out in larger studies, and the therapies they're proposing need to be tested.

This is not the kind of improvement that I would wish for my patients, but it was a real and measurable improvement.

These hormones are important for patients' activity and their mood, their energy and responses to life stress in general.

Their wishful thinking that they're going to get better is harnessing the body's own mechanism for relieving pain.