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Show BBJ what Makes the Heart Weak. BBJ Two Important causes of heart BBJ trouble aro undorwork n-d overwork, BBJ hut chlofly underwork, says Outing. BBJ Whoro duo to overwork it has beon BBJ physical, not mental. Tho hearts of BBJ long-dlstnnco runners and bicyclists BBJ sometimes bocomo hyportrophlod, BBJ whllo hearts of children sometimes BBJ succumb to too arduous play. With BBJ children, howavor, It Is usually duo to BBJ a predisposition In that direction from BBJ their parentB, whoso hearts have been BBj woakonod by prolonged under exorcise Bfl rathor than to ovoroxorclso on their Kg part. ; As tho result of a recent oxamlna- BBJ' Hon of nearly 10,000 school children In BBt tho primary grades by ho board of BSr hoaltb, It was found that CO per cent W0m woro suffering from physical defects, SB among which predominated dofoctlve BB vIbIoh, insufficient nutrition, pulmou- B ary and hoart aliments a startling Bj ttnrultloii of otrr boasted civilization. BBBiafc- |