For the past 2000 years physicians have been looking in the wrong direction for the cure of disease. Their worse than useless practice of killing germs with poison drugs has never—and can never—solve the problem of disease.

During the Dark Ages, before the introduction of improved nutrition and sanitation, the world was intermittently visited with epidemics of smallpox. The cause was stubbornly ignored and the seeds for more disease were sown when vaccination was brought into popular use.