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A highly-educated, socially aware group of persons presented themselves for Tay-Sachs screening having learned about it mainly from friends, newspapers, radio, and television but not from physicians or rabbis. After learning that screening was possible and deciding that it is in principle a good idea, and after discussing it with relatives and friends but not with physicians and rabbis, they presented themselves for the test. Although the participants knew that Tay-Sachs is a serious disease and that Jews are vulnerable, few of them knew much about the genetics of the disease, its frequency, or the incidence of the carrier state. This experience of screening for Tay-Sachs carriers suggests the need for physicians to learn the relation of genetics to preventive medicine, and for the public to learn more about the biology of man.

Participants in two Tay-Sachs screening programs were generally satisifed with the organization of the tests and the results. There was no evidence of adverse impact on reproductive plans or interpersonal relations, and the respondents professed to believe in the value of screening. While the carriers discussed their condition freely with others and were no less favorable to the idea of screening than the noncarriers, about one-half of their number expressed discomfort in being told they were heterozygotes. These feelings were allayed by counseling, but there was evidence of some residual unease. It is suggested that this anxiety would be less prominent and more easily reduced if screening were done under conditions of ordinary primary medical care rather than outside the conventional system.