What is the science behind getting old?

The video explores the concept of aging, starting with visible changes like grey hair and wrinkles, and delving into internal changes. It discusses the evolutionary hypothesis that reproduction is a key reason for aging. The science behind aging is explained through the role of cells, DNA damage, and programmed cellular factors. The video highlights the impact of environmental stress on DNA and the biological clock's role in aging. It concludes with tips to slow down aging, such as maintaining a healthy lifestyle, getting enough sleep, and staying active.

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