Life expectancy falling for adults without a bachelor's degree

Life expectancy in the United States dropped in 2020 due to COVID-19, but, for American adults without a college degree, the increase in mortality in adulthood occurred even earlier, according to a new study authored by Anne ...

Healthy lifespan analysis using nematodes

A research group from Kumamoto University (Japan) has developed an automated measurement system to assess healthy lifespans using nematodes (C. elegans). Based on qualitative differences in lifespans, this system can classify ...

Are people healthy enough to retire later?

While many people are now enjoying longer, healthier lives, current retirement ages are posing challenges for both policymakers and retirees. A new study looked into whether there is potential to increase the retirement age ...

Air pollution 'greatest risk' to global life expectancy

Air pollution cuts life expectancy for every man, woman and child on Earth by nearly two years, according to data released Tuesday which experts said showed poor air quality is "the greatest risk to human health".

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Life expectancy

Life 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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