The last is social environment including ill health and bad living behavior such as smoking, freak-out, and excessive sex intercourse, adiposity induced by unscientific living style.

• 社会环境因素，包括不健康和不道德的生活行为，如吸烟、吸毒、酗酒、性滥交，不科学的生活方式导致的肥胖症的影响等。