| Show U ATHLETIC T HEU BOSTON Tho Th common Idea i that ere ver athletic traInIng pro pro- produces produces pro produce duces duce an n enlarged heart th h n th letic heart h heart ha been boen 1 11 shattered by the th report of r J-r ray ry y made on and Canadian i youths who took tok part la its the th 25 28 miles American marathon The size ot Of t their hearte was as w found to be b normal and their lung ca capacity like likewise Hk wi Tin experiment exp were made mid by the th staff tat of at the Peter PIr t r Brent Brigham hospital ber her her- |