0
POPS5 Mood-Boosting Workouts A little down? Assume upward dog. A 2010 study published in the Journal of Alternative and Complementary Medicine examined the anxiety levels and moods of people who practiced yoga for an hour three times a week. Yoga practice is associated with increased levels of GABA, an amino acid and neurotransmitter that may help reduce anxiety, according to Chris Streeter, a neurologist, a psychiatrist, and the lead author of the study.