dr. h markel, a medical historian at the university of michigan and regular columnist for the pps "newshour". dr. howardarkel joins me now. the kellogg nae in american society is hopelessly associated with breakfast and breakfast foods, but even before that, they had, escially john, had some very pioneering ideas about health way before their time. >>knbsolutely. yow, dr. kellogg created the term that we would now call ll fess, and, so, he -- wellness, and he prescribed al sorts of healthy living practices with a notion it's far easier to prevent the diease than to treat it after the body is broken down. so he advised aboutd diets, grain and vegetable diets but no meat. he advised against nicotine or smoking of any kind, caffeine, alcohol, and he prescribed lotsn of exercis fresh air when people were not doing that at all. >> they created a sanitarium in battle cre, what was called a sanitary yum, and centered around what you referred to as ologic living, a term that they coined. >> yes. what does that mean? w th the doctor's term for wellness and the thought body.you took care of you it came from some