Caution: Noise! | In Good Shape HD

Excessive sound levels can damage our hearing as well as our hearts, circulatory systems and mental well-being, even to the point of premature death. Michael Jäcker-Cüppers explains how noise can endanger human health and how to protect against it. Find more from In Good Shape at http://www.dw.de/program/in-good-shape/s-11938-9798