It is unrealistic to want to be happy all the time.

We're all affected by music. It has the power to inspire, uplift us, change our moods, and even alter consciousness.

Human beings and plants have co-evolved for millions of years, so it makes perfect sense that our complex bodies would be adapted to absorb needed, beneficial compounds from complex plants and ignore the rest.

Each day as I travel through downtown Tucson, I am amazed at how quickly the most ancient of human behaviors have changed. For as long as there have been Homo sapiens - roughly 200,000 years - people have filled their lives principally with two activities: talking directly with other people, and doing physical things.

It does kids no favors, and sets them up for a potential lifetime of poor health and social embarrassment, to excuse them from family meals of real food. Everyone benefits from healthy eating, but it is particularly crucial at the beginning of life.

I have argued for years that we do not have a health care system in America. We have a disease-management system - one that depends on ruinously expensive drugs and surgeries that treat health conditions after they manifest rather than giving our citizens simple diet, lifestyle and therapeutic tools to keep them healthy.

Please keep in mind the distinction between healing and treatment: treatment originates from outside, whereas healing comes from within.