People who chewed gum for at least five minutes twice a day for two weeks showed improved levels of anxiety, mood and fatigue. Their scores on tests of depression and mental fatigue were 47% better than the control group. Chewing may increase blood flow to the brain and lower levels of stress hormones.
Source: Bottom Line Personal,, September 1, 2012 Issue: Chifumi Sato, MD, Department of Analytical Health Science, Tokyo Medical and Dental University, quoted in Men’s Health.
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