The Stem Cells That Die - Deepstash

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Scientists figured out why stress turns your hair gray

The Stem Cells That Die

Experiencing stress and anxiety can diminish the somatic stem cells, which are responsible for the color our hair had earlier in life.

Both physical and psychological stress can affect those stem cells and drive a rapid and permanent loss.

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Two of the biggest innovations
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Two of the biggest innovations of modern times are cars and airplanes. At first, every new invention looks like a toy. It takes decades for people to realise the potential of it.

Innovation is driven by incentives

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In 1932, the stock market fell by 89%. It was an economic disaster where almost a quarter of Americans were out of work. However, the 1930s was also the most productive and technologically progressive decade in history. Economist Alex Field writes that in 1941, the U.S. economy produced almost 40 percent more output than it had in 1929, with little increase in labor hours or private-sector capital input.