 Gardening provides substantial human health benefits, as evidenced by a meta-analysis of 22 case studies that comprised 76 comparisons between control and treatment groups, reporting significant positive effects on various health outcomes such as reductions in depression, anxiety, body mass index, and increases in life satisfaction, quality of life, and sense of community. This article was authored by Masashi Soga, Kevin J. Gaston, and Yuichi Yamura.