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Elderly and active aging

In different culture or country, elder or aging may have different definition.

Demographers and researchers typically refer “baby boomers” as starting birth years ranging from the early-to-mid 1940s and ending birth years ranging from 1960 to 1964. Thus, they are in the age range between 54 to 78 now. As mentioned in the video, “elderly” means people over 65 years old. These baby boomers are either inbetween or getting in. That’s why aging become popular issues nowadays.

In the video, Prof. Chao then will introduce some theories scientists consider the causes of aging.

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