A C-SPAN crew records Ruth MacDonald's class lecture, which will air on American History TV. MacDonald explained how products such as corn flakes and graham crackers were developed to improve health. Photo by Christopher Gannon.

C-SPAN to feature Iowa State lecture on the evolution of nutrition

An Iowa State University class lecture that traces the history of diet and nutrition guidelines will be featured this weekend on C-SPAN’s “Lectures in American History” program.

In the lecture, Ruth MacDonald, professor and chair of food science and human nutrition, looks at the history of nutritional standards and government dietary guidelines. She describes the shift from preventing disease to promoting optimum health during the 20th century.

See the complete story by the ISU News Service