有关专家经过研究认为:经常做好事的人心血管疾病和感染性疾病的发生率低。做好事为什么能产生保健效应呢?专家们曾做过一个有趣的实验:让一批学生为当地居民做好事,事后对他们的唾液中免疫球蛋白A的含量大大增加了,而这正是一种抵御感染性疾病的抗体。一个经常做好事的人,由于本身的行为和因此而建立的良好人际关系,会感受到温暖和愉快,获得精 The experts after the study that: people often do good things cardiovascular and infectious diseases, the incidence of low. Why do good things can produce health effects? Experts have done an interesting experiment: a group of students to do something good for the local residents, after their salivary immunoglobulin A content has greatly increased, and this is one Antibodies against infectious diseases. A person who often does good deeds, because of their behavior and the resulting good relationships, will feel warm and happy, get fine