Health psychologist and author, Kelly McGonigal writes in her new book about the wonderful mental benefits of even gentle and mild exercise:
“Among its many life-altering rewards: the generation of hope, happiness, a sense of purpose, greater life satisfaction and rewarding connections with others.”
“These benefits are seen throughout the life span,” she writes. “They apply to every socioeconomic strata and appear to be culturally universal.”

Hope, Happiness and Social Connection: Hidden Benefits of Regular Exercise