Show Heart Wont Won't Wear Tear Out S Dont Don't Let It Rust Out Hard work never hurt a healthy human heart SO DECLARES Dr Paul Dudley White eminent heart specialist who religiously follows follows follows fol fol- lows his own advice by taking taking taking tak tak- ing vigorous daily exercise Dr White has powerful company in a growing legion of specialists and physicians who endorse regular exercise and physical activity as part of a general prescription to protect the heart and help prevent premature heart attacks at attacks attacks at- at tacks and strokes EXERCISE provides much more than a way of spending spending spending spend spend- ing calories to help control weight Research has turned up an increasing evidence as asto asto asto to why exercise may protect the human heart Through the ages man has relied on his muscles and strength as well as his wits for survival BUT NOW in civilized countries at least seductive changes in our way of life have made many of us quite sedentary Machines and gadgets do the work our muscles once nc performed I Nowadays Most of us dont don't wear out we rust out observes Dr Theodore G. G Klumpp of New York City a student of aging and dedicated dedicated dedicated ded ded- tennis player at age 60 INACTIVITY has been encouraged encouraged encouraged en en- by mythology about dangers of exercise and by bythe bythe bythe the appeal of humor The liThe only exercise I get is a pallbearer pallbearer pallbearer pall pall- bearer at the funerals of friends who exercise A common myth is that men must slow down at age 40 This really was the general general general gen gen- eral medical advice years ago SINCE THEN medical science science science ence has advanced in its knowledge of the workings and needs of the human body and what benefits might be gained from regular exercise When you exercise or work physically hard your heart must work harder and more efficiently to distribute blood everywhere including to its own muscular tissues THIS TIllS HELPS to develop what is known as collateral circulation a richer more extensive network of blood channels to ass assure re a good supply to all areas of the heart muscle When a heart attack occurs from blockage of an artery the he heart rt tries to establish collateral circulation actually growing grow 1 y ne neWall W small blood fI blood l Wes ves vessels sels and capillaries to take blood to the deprived area THE HEART which has already already already al al- al- al ready been challenged by extra work or activity has to an extent already taken the step It is already pre pre- t pared to meet an emergency e eNever I N Never ever Too Late In studies at Kent State Uni Um i in Ohio when men meni working in sedentary were put through a pr program program pro pro- gram of regular exercises their blood cholesterol le levels declined None of the men changed his diet in any way SOME authorities t think there is a beneficial effect r from exercise in stimulating I 1 the thyroid gland the pace pacemaker pacemaker pace pace- i maker governing the f SI T metabolism metabolism me me- so fats Cand and ci cholesterol cho- cho cho 1 o. o are burned up more morel EE mE speedily in the bloodstream f There is evidence that exercise 13 helps the body dispose of fats fats' consumed in foods In adult life it is never to too late to begin to improve I over an existing poor physical J l condition A thorough medical medial Ii checkup is an essential first 1 step to learn what you can I s safely ey do o. o |