Dr.Lee Berk, of the Loma Linda University School of Public Health, discovered that a group of students who watched a comic video for an hour had marked reductions in epinephrine and cortisol levels.

• 美国加州罗玛琳达大学公共卫生学院的伯克博士让一组学生看一个小时动画片，发现他们的肾上腺素和皮质醇水平明显降低。