[4]{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/37\/Prevent-Hair-Loss-Due-to-Stress-Step-11.jpg\/v4-460px-Prevent-Hair-Loss-Due-to-Stress-Step-11.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/37\/Prevent-Hair-Loss-Due-to-Stress-Step-11.jpg\/v4-760px-Prevent-Hair-Loss-Due-to-Stress-Step-11.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}2多摄取B族维生素,减少摄入维生素A。5000国际单位的维生素A。