Rejoinder to Roberto Bachi's article on The Population of Israel.
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Biomedical subjects
Publications and source records attributed to D Friedlander.
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Family screening for hyperlipoproteinaemia was undertaken when a patient presented with myocardial infarction in association with Type V hyperlipoproteinaemia. The clinical features of this unusual form of hyperlipoproteinaemia are discussed together with its frequency in the general population and in relatives of affected patients.
Israel, in her 25 years of existence, received an unprecedented volume of immigration, which was the major source of her high population growth. This immigration was heavily concentrated in the first five years, 1948-1952; mass immigration of 711,000 supplemented an initial population of 630;000. Subsequently, since 1952, a very peculiar age-sex structure has developed: namely, instead of a pyramid, a wide rectangle for the younger age groups "topped" with a narrow pyramid for the older age groups. The peculiar age-sex dynamics is analyzed in relation to the volume of immigration with its uneven time distribution, the age selectivity of migrants and fertility-mortality patterns of migrants. It is concluded that the uneven time distribution of immigration and the higher fertility of migrants are jointly responsible for the development of Israel's peculiar age dynamics, and that the absence of either of these two factors alone would eliminate it. The peculiar dynamics has societal implications in the short and the long run, some of which are discussed.
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Hypnotic relaxation was used as an adjunct to pharmacologic treatment with 39 women hospitalized for premature contractions in pregnancy. The control group received medication alone and consisted of 70 women. Treatment was started at the time of hospitalization and lasted for 3 hr on the average. Patients were also given cassettes with a hypnotic-relaxation exercise for daily practice. The rate of pregnancy prolongation was significantly higher for the hypnotic-relaxation than for the medication-alone group. Infant weight also showed the advantage of the hypnotic-relaxation treatment. Background variables of the two groups were compared and it was shown that they could not have explained the treatment effect obtained.
Three studies on the relationship between life stresses and premature labor were conducted. The first was a retrospective comparison of life events between a group of women who had had premature labor and a group of controls. It was carried out between 3 and 6 months after the premature delivery to neutralize possible effects of time closeness to the traumatic event and of mothers' anxiety for the babies' condition. Results showed no difference between groups. In a second, prospective study, women who afterwards developed premature contractions were found to have a slightly higher frequency of life events. A third study investigated effects of the stress of the Yom Kippur War upon incidence of premature deliveries. It was found that during the war and immediately after it, the frequency of premature deliveries was lower than a year later. Results showed that most research conducted in this field has led to doubtful conclusions. The need for prospective studies and for investigations of the effects of real-life stresses is underlined.