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Results 451 - 500 of 1391
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Falagas Matthew E - - 2008
Several human characteristics that influence scientific research performance, including set goals, mental and physical abilities, education, and experience, may vary considerably during the life cycle of scientists. We sought to answer the question of whether high-quality research productivity is associated with investigator's age. We randomly selected 300 highly cited scientists ...
Unruh Mark L - - 2008
OBJECTIVES: To assess the extent to which persons aged 70 and older undergoing hemodialysis (HD) had greater changes in health-related quality of life (HRQOL) over 3 years than younger patients undergoing HD. DESIGN: Longitudinal. SETTING: The Hemodialysis Study (HEMO Study) was a randomized, clinical trial of the effects of HD ...
Arias Elizabeth - - 2008
OBJECTIVES: This report presents period life tables for the United States based on age-specific death rates for the period 1999-2001. These tables are the most recent in a 100-year series of decennial life tables for the United States. METHODS: This report presents complete life tables by age, race (white and ...
- - 2008
Combination antiretroviral therapy has led to significant increases in survival and quality of life, but at a population-level the effect on life expectancy is not well understood. Our objective was to compare changes in mortality and life expectancy among HIV-positive individuals on combination antiretroviral therapy. The Antiretroviral Therapy Cohort Collaboration ...
- - 2008
Occupational exposure to respirable crystalline silica occurs in construction, mining, manufacturing, and other industries and can result in silicosis and other lung diseases. Classic (chronic) silicosis results from exposure to relatively low concentrations of respirable crystalline silica for >/=years. Exposure to higher concentrations of silica for 5-10 years can cause ...
Saint Onge Jarron M - - 2008
OBJECTIVE: We examine the importance of anthropometric and performance measures, and age, period, and cohort effects in explaining life expectancies among major league baseball (MLB) players over the past century. METHODS: We use discrete time hazard models to calculate life tables with covariates with data from Total Baseball, a rich ...
Siedlecki Karen L - - 2008
It is likely that with aging and changing life circumstances, individuals' values shift in systematic ways, and that these shifts may be accompanied by shifts in the determinants of their subjective judgments of well being. To examine this possibility, the relations among the Satisfaction With Life Scale (SWLS) and a ...
Mello Zena R - - 2008
Adolescents' future expectations are a potentially important precursor of adult attainment and may illuminate how males and females vary in schooling and work. Thus, this longitudinal study examined gender variation in developmental trajectories of educational and occupational expectations from adolescence to adulthood and in connection to corresponding adult attainment. National ...
Gerstorf Denis - - 2008
Longitudinal data spanning 22 years, obtained from deceased participants of the German Socio-Economic Panel Study (SOEP; N = 1,637; 70- to 100-year-olds), were used to examine if and how life satisfaction exhibits terminal decline at the end of life. Changes in life satisfaction were more strongly associated with distance to ...
Zanocco Kyle - - 2008
BACKGROUND: The National Institutes of Health consensus conference on asymptomatic primary hyperparathyroidism (PHPT) recommended several criteria for parathyroidectomy (PTX), including age <50 years. We hypothesized that a cost-effectiveness analysis would show PTX to be the optimal strategy for asymptomatic patients >50 years of age. METHODS: A Markov model was constructed ...
Vance David E - - 2008
A growing number of adults will age with HIV due to the introduction of highly active antiretroviral therapy, an increase in later-life infections, and an overall aging of the population. Unfortunately, how successful aging will be expressed in this population is unknown. In the gerontological literature, the concept of hardiness ...
Kirchengast Sylvia - - 2008
The amount of aged and old aged people is increasing markedly in all industrialized nations as well as in many developing countries. Additionally to the increasing life expectancy, a trend towards voluntary childlessness is observable. This trend will not only result in a continuing change of the population structure, it ...
Blank Thomas O - - 2008
Most people diagnosed with cancer are aged >65 years, and many diagnosed younger live to become older survivors. Geriatric oncology is becoming recognized as a specialty area within oncology. It focuses specifically on the functional impacts of the interplay of aging and cancer, including the role of comorbidities. Nevertheless, to ...
Osler Merete - - 2008
OBJECTIVE: This study examines the consequences of nonresponse in a follow-up survey for the associations of early life factors with adult depression. STUDY DESIGN AND SETTING: A cohort of 11,532 Danish men born in 1953 had nearly complete follow up for outcomes retrieved from the Danish Psychiatric Register and the ...
Cairney John - - 2008
OBJECTIVES: The purpose of this study was to see if exposure to life events influences age-related decline in control. METHODS: The data came from a large, nationally representative sample of Canadians aged 18 and older (n = 17, 291). We examined the principal research question by testing for an interaction ...
Habermas Tilmann - - 2008
Extending the study of autobiographical narratives to entire life narratives, we tested the emergence of globally coherent life narratives in adolescence, as hypothesized by McAdams (1985). Participants were 102 children and young adults (ages 8, 12, 16, and 20 years) who narrated their lives twice. Between narrations, half of each ...
Horner Barbara - - 2008
Ageing-in-place is usually viewed as a positive approach to meeting the needs of the older person, supporting them to live independently, or with some assistance, for as long as possible. It implies that older people prefer to live in their own home, rather than in an institution or care centre. ...
Carlson Darby J - - 2008
Drosophila melanogaster is an ideal model organism for various types of aging studies. They are easy to maintain, relatively inexpensive, have short life cycles, provide large sample sizes, and can be genetically manipulated via various methods for testing. The 49(th) Annual Drosophila Research Conference, held in San Diego, CA (April ...
Petersson Ingela - - 2008
OBJECTIVE: To examine the impact of home modifications on self-rated ability in everyday life from various aspects for people ageing with disabilities. METHODS: The study sample was recruited from an agency providing home modification services in Sweden and comprised 73 subjects whose referrals had been approved and who were scheduled ...
Rose Michael R - - 2008
Thirty years ago, in 1977, few biologists thought that it would be possible to increase the maximum life span characteristic of each species over the variety of environmental conditions in which they live, whether in nature or in the laboratory. But the evolutionary theory of aging suggested otherwise. Accordingly, experiments ...
Cardona Beatriz - - 2008
This paper explores how the exercise of the ethics of 'responsibility' for health care advanced through 'healthy ageing' and 'successful ageing' narratives in Western countries animates an array of 'authorities', including the 'anti-ageing medicine' movement as a strategy to address the anxieties of growing old in Western societies and as ...
Nussey Daniel H - - 2008
The antagonistic pleiotropy (AP) theory of ageing predicts genetically based trade-offs between investment in reproduction in early life and survival and performance in later life. Laboratory-based research has shown that such genetic trade-offs exist, but little is currently known about their prevalence in natural populations. We used random regression 'animal ...
Blanchflower David G - - 2008
We present evidence that psychological well-being is U-shaped through life. A difficulty with research on this issue is that there are likely to be omitted cohort effects (earlier generations may have been born in, say, particularly good or bad times). First, using data on 500,000 randomly sampled Americans and West ...
Poulin Michael - - 2008
Do people's worldviews change across the life course? Beliefs in the benevolence (goodness) of the world and their relations with age and well-being were examined in a 2-year study of a nationally representative sample (N = 2,138) ranging in age from 18 to 101 years. Multilevel modeling analyses controlling for ...
Lavee Yoav - - 2008
The study examined similarities and differences between people having individualist and collectivist cultural orientations in terms of what they perceive as stressful and uplifting experiences in their daily lives, and the relation between daily experiences and family and life satisfaction. Data were collected from two representative community samples (697 Jews ...
Gerstorf Denis - - 2008
Using 12-year longitudinal data from deceased participants of the Berlin Aging Study (N = 414; age 70-103 years, at first occasion; M = 87 years, SD = 8.13), the authors examined whether and how old and very old individuals exhibit terminal decline in reported life satisfaction at the end of ...
Meara Ellen R - - 2008
In this paper we examine educational disparities in mortality and life expectancy among non-Hispanic blacks and whites in the 1980s and 1990s. Despite increased attention and substantial dollars directed to groups with low socioeconomic status, within race and gender groups, the educational gap in life expectancy is rising, mainly because ...
Eyer Peter - - 2008
Isodimethoate is a thermal decomposition product that is present in usual pesticide formulations of dimethoate. Owing to its PO structure the compound is a direct anticholinesterase agent whose properties, to the best of our knowledge, are presented here for the first time. Isodimethoate shows an inhibition rate constant towards human ...
Vaiserman Alexander M - - 2008
Recently a cluster of new hypotheses of aging has been suggested, which explicitly predict the importance of early-life events in health and life span modulations. It has been widely assumed that these long-lasting consequences of early-life exposures may depend on the same mechanisms as those underlying "cellular memory," that is, ...
Arroyo-Rodríguez Víctor - - 2008
This paper represents the results of a long-term study (1996-2003) on the demographic changes over time of a Mexican mantled howler (Alouatta palliata mexicana) group in a rainforest fragment (40 ha) in Los Tuxtlas, Mexico, with a follow-up census 3 years later (2006). In addition to demographic and life history ...
Ljubuncic P - - 2008
The increase in life expectancy, along with the accompanying ongoing increase in the proportion and absolute numbers of nonagenarians and centenarians have set forth the curiosity regarding the question of the quality of health in very old age. Studies on that issue have pointed to the fact that the very ...
Brustad Magritt - - 2008
OBJECTIVES: To identify dietary patterns and to investigate their association with selected life-style and demographic factors, ethnicity and self-perceived health. Study design. Population-based cross-sectional design, using food frequency questionnaires. METHODS: A total of 12,811 subjects aged 36-79 years participated from the municipalities in Norway where more than 5-10% of the ...
Denny Anna - - 2008
The UK is experiencing an ageing population but this is not matched by a similar increase in healthy life expectancy. Some of the major biological life changes associated with ageing result from the accumulation of lifelong molecular damage to cells, but many health problems are attributable to lifestyle and environmental ...
Perrin James M - - 2008
To extend development of a pediatric inflammatory bowel disease (IBD) health-related quality of life (HRQoL) measure by determining its factor structure and associations of factors with generic HRQoL measures and clinical variables. Cross-sectional survey of children and adolescents ages 8 years to 18 years and their parents attending any of ...
Gurven Michael - - 2008
Humans evolved in a world with high levels of infection resulting in high mortality across the life span and few survivors to advanced ages. Under such conditions, a strong acute-phase inflammatory response was required for survival; however, inflammatory responses can also promote chronic diseases of aging. We hypothesize that global ...
Kim, Jong-Seog
Extending the lifetime of a nuclear power plant [(hereafter referred to simply as NPP)] is one of the most important concerns in the global nuclear industry. Cables are one of the long-life items that have not been considered for replacement during the design life of a NPP. To extend the ...
Syversen,Iselin
Background: Abdominal aortic aneurysm is the 10th leading cause of death representing 1.3% of all fatalities among men aged 65-85 in the Western countries. Screening procedures are available, but the cost-effectiveness for Norway is unknown. Objective: To predict the costs and impact on life expectancy of an AAA screening program. ...
Peters Karen E - - 2008
This paper provides an overview of the demographic trends in aging, and of the process of aging and its implications on physical and mental health, with special reference to farmers. Agriculture employs more workers age 55 and over than any other industry (22.9% in agriculture versus 13.6% for all industries). ...
Bulati Matteo - - 2008
During the past century, humans have gained more years of average life expectancy than in the last 10,000 years; we are now living in a rapidly ageing world. The sharp rise in life expectancy, coupled to a steady decline in birth rates in all developed countries, has led to an ...
Pijpe Jeroen - - 2008
Starvation resistance is closely associated with fitness in natural populations of many organisms. It often co-varies with longevity and is a relevant target for understanding the evolution of aging. We selected for increased starvation resistance in the seasonally polyphenic butterfly Bicyclus anynana in a warm, wet-seasonal environment over 17 generations. ...
Ariel Jane - - 2008
At a fiftieth birthday party 17 years ago, a group of women--lesbian, bisexual, and straight--decided to create a conscious community in which they could age together. The group, where they discuss this process and support each other, is politically and personally meaningful, and a buffer against the isolation and powerlessness ...
Münch D - - 2008
Commonly held views assume that ageing, or senescence, represents an inevitable, passive, and random decline in function that is strongly linked to chronological age. In recent years, genetic intervention of life span regulating pathways, for example, in Drosophila as well as case studies in non-classical animal models, have provided compelling ...
Batrinos Menelaos L - - 2008
Contrary to the commonly held belief that in antiquity and as late as 1700 A.D. normal lifespan was about 35 years, there are indications that the ancient Greeks lived longer. In a study of all men of renown, living in the 5th and 4th century in Greece, we identified 83 ...
KomosiƄska-Vassev Katarzyna B - - 2008
BACKGROUND: This study was undertaken to reveal how the physiological ageing process influences plasma glycosaminoglycans (GAGs) content and composition. METHODS: GAGs isolated from plasma samples obtained from 105 healthy subjects were quantified using a hexuronic acid assay and subjected to electrophoretic fractionation. RESULTS: We found that total GAGs decreased gradually ...
Attieh Abdelrahim Y - - 2008
BACKGROUND: Little has been reported about the impact of tracheoesophageal (TE) speech on individuals in the Middle East where the procedure has been gaining in popularity. After total laryngectomy, individuals in Europe and North America have rated their quality of life as being lower than non-laryngectomized individuals. The purpose of ...
Fischer Regina Santamäki - - 2008
Many old people suffer from prolonged and multiple bodily ailments, new diseases, and increased risk for disadvantages and losses in life. Aging also means becoming mature and wise. This study illuminates the meaning of the lived experience with respect to changes in late life. Using a phenomenological hermeneutic method, this ...
Boden Joseph M - - 2008
This paper examines the relationship between self-esteem in adolescence and later mental health, substance use, and life and relationship outcomes in adulthood. The investigation analyzed data from a birth cohort of approximately 1,000 New Zealand young adults studied to the age of 25. Lower levels of self-esteem at age 15 ...
Vance David E - - 2008
With dramatic developments in the treatment of HIV/ AIDS, life expectancy is increasing, resulting in more middle-aged and older adults living with this disease. Little is known about the problems, and especially the strengths, of those living and aging with HIV. Hardiness is used in the gerontological literature to describe ...
Sumanen Markku P T - - 2008
Migraine is considered to have a negative influence on sex life. The present study was to analyse the perceptions of importance of and satisfaction with sex life as well as the expression of interest in sex among people having migraines in a prospective follow-up mail survey in 1998 and 2003. ...
Gianoudis Jenny J Musculoskeletal Research Centre and School of Physiotherapy, La Trobe University , Victoria, - - 2008
Participation in organised, competitive physical activity by young athletes is increasing rapidly. This is concurrent with an increase in sporting injuries in the young population. This pilot study aimed to compare the weekly volume and types of physical activity in young basketball players injured and not injured during the season. ...
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