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Why Do Humans Go Bald?

When it comes to the evolution of hair loss, a combination of hormones and genetics is to blame.

ByMarisa Sloan
Credit: Boreiko/Shutterstock

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For many of us, hair loss is a fact of life.

Around 95 percent of the time, hair loss is due to a condition called androgenetic alopecia — also called male or female pattern baldness. And if you’re part of the 80 percent of men or 50 percent of women who experience such hair loss over the course of their lifetimes, chances are you’re not super stoked about it.

The U.S. hair loss treatment industry is booming, after all. Whether you’re talking oils, serums, shampoos or conditioners, according to recent IBISWorld market research, the industry is expected to earn a revenue of $3.9 billion in 2023.

Read More: 20 Things You Didn't Know About... Hair

But if scientists are working overtime to make bald heads a thing of the past, it begs the question: Why did Mother Nature deal us such a bad hand in the first place? Could there ...

  • Marisa Sloan

    Marisa is an assistant editor at Discover. She received her master’s degree in health, environment & science reporting from Northwestern University’s Medill School of Journalism. In a previous life, while earning a chemistry degree from UNC Greensboro, Marisa worked to prolong the therapeutic power of antitumor agents. Ask her about enzymes!

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