MN90: Father Time

MN90: Father Time

PLAY | 01:30 | DOWNLOAD

Franz Halberg, a scientist and physician at the University of Minnesota, was fascinated by the human body’s daily rhythms. Not only did people wake and sleep in concert with the sun, but internal processes, like heart rate and blood pressure, also seemed to vary in a regular pattern. Britt Aamodt investigates the man who coined the term Circadian Rhythm.