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Study Finds on MSNChewing on wood for 5 minutes may improve your memory, study showsIn a nutshell Chewing harder materials like wood significantly increases glutathione (GSH) levels in the brain, while softer ...
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ScienceAlert on MSNChewing Wood Could Give Your Brain an Unexpected BoostMaybe dogs who chew sticks are on to something. We don't necessarily have to chomp with a canine's zeal, but the basic ...
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