Cardiac Kids: Working out as a youngster might mean more heart-muscle cells as a grown-up.

The article discusses a study published in "The Journal of Physiology" focusing on the benefits of working out for children, including the positive impact on heart. Topics discussed include the high number of heart-muscle cells for adults who worked out as children, the benefits of running for cardiac muscle cells, and the views of Glenn Wadley, an associate professor in the Institute for Physical Activity and Nutrition at Deakin University, on it.