In Episode 92 David discusses the theory of Sam Milham that it is electricity, not chemicals, that is the cause of the so-called “Diseases of civilization”, such as diabetes, heart disease and degenerative neurological conditions like MS and ALS. It is certainly true that electricity has expanded as these diseases have grown, but David wants to know why chemicals in our food, air, water, medicines and so on, aren’t a more plausible cause.