" Massage. Numerous studies have examined the effects of massage on everyone from babies and new mothers to breast-cancer survivors and people who suffer from migraines. The results are fairly clear that massage boosts your serotonin by as much as 30 percent. Massage also decreases stress hormones and raises dopamine levels, which helps you create new good habits. "

― Alex Korb , The Upward Spiral: Using Neuroscience to Reverse the Course of Depression, One Small Change at a Time