What one exercise can boost feel-good chemicals in your brain while reducing anxiety and improving your mood? The answer is yoga. In a study lead by Chris Streeter, MD he and his colleagues from the Boston University School of Medicine found that yoga reduced anxiety, improved mood, and boosted the anti-anxiety neurotransmitter GABA (gamma-aminobutyric acid) in the brain. The article can be found in The Journal of Complementary and Alternative Medicine. What’s more, to determine the efficacy of yoga compared to walking, they randomly assigned participants to either a yoga group or a walking group. Each group did their respective…