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Why exposure to dirt is good for you

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Fuente: Health News Report - View all news from this site
Why exposure to dirt is good for you Why exposure to dirt is good for you

Why exposure to dirt is good for you






Thirty years after scientists coined the term "hygiene hypothesis" to suggest that increased exposure to microorganisms could benefit health, CU Boulder researchers have identified an anti-inflammatory fat in a soil-dwelling bacterium that may be responsible.The discovery, published Monday in the journal Psychopharmacology, may at least partly explain how the bacterium, Mycobacterium vaccae, quells stress-related disorders. It also brings the researchers one step closer to developing a microbe-based "stress vaccine."
"We think there is a special sauce driving the protective effects in this bacterium, and this fat is one of the main ingredients in that special sauce," said senior author and Integrative Physiology Professor Christopher Lowry. British scientist David Strachan first proposed the controversial "hygiene hypothesis" in 1989, suggesting that in our modern, sterile world, lack of exposure to microorganisms in childhood was leading to impaired immune systems and higher rates of allergies and asthma. Researchers have since refined that theory, suggesting that it is not lack of exposure to disease-causing germs at play, but rather to "old friends" -- beneficial microbes in soil and the environment that we have long lived alongside -- and that mental health is also impacted.
"The idea is that as humans have moved away from farms and an agricultural or hunter-gatherer existence into cities, we ha...
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Why exposure to dirt is good for you Why exposure to dirt is good for you

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News source: Health News Report
Publication date: 31-05-2019 16:04
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