The life expectancy of many of the countries in the world has been increasing. Which of the following may be considered as the reason for this?

There have been significant improvements in medical facilities in the world.

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Due to technological advancements, people have become sedentary and it has made them healthier.

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People are now healthier as they have started eating more fast food and processed food items.

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Different economic interventions, nutritional and lifestyle factors, work-related and social factors have helped improve life expectancy.

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Solution

The correct option is D Different economic interventions, nutritional and lifestyle factors, work-related and social factors have helped improve life expectancy.
The number of years a person can expect to live up to is referred to as "life expectancy". The increase in life expectancy is an indicator of the development of society. Different economic interventions, nutritional and lifestyle factors, work-related and social factors, as well as public health strategies like progress in medical facilities and medical care have helped in improving life expectancy.

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