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Why dirt is good for you?

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Jimmy 发表于 2007-4-10 08:52:58 | 显示全部楼层 |阅读模式
Scientists this week confirmed what most of us knew all along: that playing outside as a child – or at any age for that matter – is good for your health. The researchers believe that exposure to dirt ‘boosts happiness’ and strengthens the immune system. We look at the reasons why getting dirty is thought to improve health and wellbeing.
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 楼主| Jimmy 发表于 2007-4-10 08:53:10 | 显示全部楼层
There was further proof this week that adults and kids alike need to shun the telly and video games and instead embrace the great outdoors. Scientists at Bristol University and University College London found that exposure to dirt may be an effective way of lifting our mood and giving our immune system a boost.

The researchers found that mice exposed to a ‘friendly’ bacteria normally found in the soil altered their behaviour in a way similar to that produced by antidepressant drugs. The results of the study were published in the journal Neuroscience and described how levels of serotonin, the brain’s ‘happy’ chemical, were boosted by the bacteria, just as they are by the drugs prescribed to battle depression.

A lack of serotonin is thought to cause depression and the researchers now hope further research will determine whether the bacterium Mycobacterium vaccae or other bacteria have antidepressant properties through the activation of serotonin neurons.
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风过留沙 发表于 2007-4-10 13:12:24 | 显示全部楼层
本帖最后由 三T上人 于 2015-11-8 13:59 编辑 <br /><br />great
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ljmabcljm 发表于 2018-9-29 16:21:17 | 显示全部楼层
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zspkd 发表于 2018-9-30 11:55:21 | 显示全部楼层
难怪好多人喜欢泥浆浴!
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