Show COFFEE OFFSETS DIGESTIVE ILLS CAUSED BY NOISE SCIENCE FINDS r rl X 4 irl the effect of unseen coffee upon the digestion of robert E L jordan cross country runner Is being tested in the psychological laboratory of colgate university ver sity while helen boris laboratory assistant tunnels coffee into the subjects mouth a drop by drop record of his saliva is being made by the allo meter which extracts the juice from his mouth and passes it to the electric recording meter in the inset dr laird 3 ahe HE ordinary noises of modern TA A american merican life cause serious digestive disorders which can be corrected by proper diet including cottee coffee coffee not only builds up a bodily resistance to dolse but it actually overcomes the injurious effects of many sounds to which the average person Is subjected in the home and at work these are the conclusions of dr donald A laird director of 0 the psychological laboratories of colgate university as reported to the acoustical society ot of ameilla at its cleveland meeting the eminent psychologist announced his findings following three years ot of laboratory research into the influence ot of noise upon health we found convincing evidence dr laird reported that the loud noises which are inseparable from modern civilization play a part in causing nervous indigestion by decreasing the flow of both the saliva and gastric juice we then experimented with foods folds and beverages to discover what would counteract the depressing effects of noise I 1 coffee and certain sweet foods were wera found to offset these injurious effects and they should be considered important factors in what might be called a dietary antl anti dolse serum the 40 per cent reduction ja in the salivary secretion caused by 4 j noise was offset merely by smelling a cup of 0 freshly brewed coffee although the subject was not aware of the presence of coffee in the test teat room by tasting the coffee still better results were obtained andl indicating the usefulness of 0 coffee as an aid to digestion we also found that the taste of sweet foods candy ice cream cinnamon toast increased the flow of saliva to an all extent that entirely overcame the depressing effects of noise in dr lairds experiments experiment a colgate students were used as subjects during the actual tests these young men stayed la ili a specially built room which was filled with noises of varying intensities produced by an elect leal audiometer the noise was graded in the scientific standard of decibels the flow of saliva tor for each subject wag measured by an electrical sali ometer which makes a drop by drop ot of the flow from the subjects mouth and the flow of gastric juice was determined by frequent tests of the stomach contents both the saliva and gastric juice were measured tor for each subject while they were being bathed in noises ranging from complete silence to an intensity of 80 decibels which Is equal to the noise of 0 a very loud radio in the tha home or the noise created by a subway train |