Life expectancy
hideLife expectancy is the average number of years of life remaining at a given age. The term is most often used in the human context, but used also in plant or animal ecology and the calculation is based on the analysis of life tables (also known as actuarial tables). The term may also be used in the context of manufactured objects although the related term shelf life is used for consumer products. Life expectancy is heavily dependent on the criteria used to select the group. For example, in countries with high infant mortality rates, the life expectancy at birth is highly sensitive to the rate of death in the first few years of life. In these cases, another measure such as life expectancy at age 5 (e5) can be used to exclude the effects of infant mortality to reveal the effects of causes of death other than early childhood causes.
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News tagged with life expectancy
Google routes World Bank data to fact seekers
Nov 11, 2009 |
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Google is adding World Bank figures to Internet results in a bid to make hard facts about countries worldwide easier to find.
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Some patients diagnosed with HIV experience improved outlook on life
Medicine & Health / HIV & AIDS
Nov 25, 2009 |
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A new study from researchers at the University of Cincinnati (UC) and the Cincinnati Department of Veterans Affairs Medical Center reaffirms that some patients with HIV experience an improved quality of life following their ...
Study shows neural stem cells in mice affected by gene associated with longevity
Nov 05, 2009 |
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(PhysOrg.com) -- A gene associated with longevity in roundworms and humans has been shown to affect the function of stem cells that generate new neurons in the adult brain, according to researchers at the Stanford University ...
Imaging cuts in Medicare fee schedule: An access catastrophe and danger to patients
Nov 03, 2009 |
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Medical imaging cuts contained in the 2010 Medicare Physician Fee Schedule will restrict life-saving imaging care to large hospitals, produce longer commutes and wait times to receive care, and cause life threatening delays ...
Molecule discovered that makes obese people develop diabetes
Nov 24, 2009 |
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Many people who are overweight or obese develop insulin resistance and type 2 diabetes at some stage in their lives. A European research team has now discovered that obese people have large amounts of the ...
Importance of different cell types underestimated
Nov 04, 2009 |
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Choosing the right cell type is particularly important in genetic studies. This is apparent from research published on 16 October in PLoS Genetics. Dutch researcher Alice Gerrits has shown how variations in the genome can in ...
Researchers link health-care debate to risk of dying in US and Europe
Nov 06, 2009 |
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The current health care debate in the United States is complicated. Trade-offs between heath care expenditures, lifestyle choices and life expectancy have been suggested but seldom clearly demonstrated. The U.S. spends on ...
Forest clearances sealed ancient civilisation's downfall
Other Sciences / Archaeology & Fossils
Nov 02, 2009 |
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(PhysOrg.com) -- An ancient South American civilisation which disappeared around 1,500 years ago helped to cause its own demise by damaging the fragile ecosystem that held it in place, a study has found. ...
Common pain relief medication may encourage cancer growth
Nov 18, 2009 |
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Although morphine has been the gold-standard treatment for postoperative and chronic cancer pain for two centuries, a growing body of evidence is showing that opiate-based painkillers can stimulate the growth and spread of ...
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