The supernova explosion of 1054 AD, which originated the Crab Nebula and Pulsar, is probably the astronomical event which has been most deeply studied by means of historical sources. However, many mysteries and inconsistencies, both among the different sources and between what is deduced by the historical records and the present day astronomical data, are demanding extraordinary efforts by theo...

WHEN a middle-aged person is presented for examination because of symptoms of developing dementia, the physician is faced with an interesting, and often an exacting, problem in differential diagnosis. It is proposed to discuss the causes of progressive dementia in such persons and at the same time to make observations from the clinical and pathological viewpoints concerning the individuality of...

Although many observers still assume that rock ’n’roll is essentially a feature of youth culture, the author argues that it is a key feature of adult culture and a primary source of everyday meanings for the first generation raised on it. The concept of the existential self, which focuses on the situational and evolving aspects of individuality in a rapidly changing social world, informs severa...

merce and industry are inseparable, T will assume that the term "industry" includes total working populations, viz. factory operatives, office workers, salesmen, accountants, engineers, chemists, physicists, research workers, and the many other specialists, technologists, and technicians who make up our employed population of some 25 million persons. This emphasises the variety of tasks, as wel...

Background: The data on cardiac remodeling outside the scope of myocardial infarction and heart failure are limited. Methods: A cohort of middle-aged hypertensive subjects with age- and gender-matched control subjects without hypertension (n = 1,045, aged 51 ± 6 years) were randomly selected for the OPERA study (Oulu Project Elucidating Risk of Atherosclerosis study). The majority of those who ...

Dr. Gillie has just retired from general practice. She was Chairman of a working party on the future of general practice. A PHASE of transition in life usually tests qualities of personality fairly severely. When the transition coincides with the decade loosely called middle age the stresses are correspondingly severe, for the body is undergoing changes as well as the pattern of life. This can ...

objectives: there are much more studies about adolescence in most countries in compare with other age groups. the goal of this study is evaluation of relationship between duration of hospitalization in elderly patients in comparison to the middle ages. methods & materials: this is a descriptive analysis, cross sectional, case study and retrospective research that was done after gathering the da...