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.

What are some visible external changes that occur as we age?

What is the evolutionary hypothesis for aging mentioned in the text?

What role do cells play in the aging process?

What are some environmental factors that can damage our DNA?

How does the concept of a biological clock relate to aging?

What happens to mitochondria as we age?

What are two simple lifestyle changes suggested to slow down aging?