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Dirt exposure 'boosts happiness'

By Jishpar     Apr 1, 2007 in Health
According to UK scientists exposure to dirt would boost the immune system.
"Lung cancer patients treated with "friendly" bacteria normally found in the soil have anecdotally reported improvements in their quality of life"
The Bristol University authors told the journal Neuroscience if the same bacteria is exposed to mice made more of the brain's "happy" chemical serotonin.
It is also studied due to lack of serotonin we suffer with depression.
Lead researcher Dr Chris Lowry said: "These studies help us understand how the body communicates with the brain and why a healthy immune system is important for maintaining mental health.
"They also leave us wondering if we shouldn't all spend more time playing in the dirt."
They also said they are still doing a research how the drugs might affect immunity.
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