I don’t have to tell you how rampant macular degeneration is. It’s the leading cause of blindness in the over-50 crowd. More than one-and-half million people have macular degeneration in the U.S. alone.

I have been telling you for years that viruses and bacteria are good for us. Our obsession with constantly disinfecting everything around us for fear of infections is unhealthy.

What causes chronic depression? Is it due to a traumatic event that somehow never gets resolved? Is it caused by a psychological weakness? Or is it more of a chemical problem? And why is it so common in certain families?