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Centenarians usually have grandparents, parents, and siblings who reached very old age.
A person who has turned 100 is referred to as a centenarian.
The phrase is generally connected with longevity because the average life expectancy across the globe is under 100 years.
The number of centenarians who were still alive in 2012, according to the UN, was 316,600.
The lifestyles and environments of centenarians differ from place to country, but their cheerfulness is the one thing they all have in common.
They are resilient, adapt, and maintain their optimism when faced with adversity, such as the death of a loved one or illness.
Some of the gene variations that support a long life are connected to the fundamental upkeep and operation of the body's cells.
Learn more about Centenarians, here
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