①通过长期的观察发现,生病也并非总是有害无益的。有时,轻病可能会让你避免得重病;有些病甚至可能会让你变得更健康。②呕吐是一种自我保护措施。呕吐的滋味不好受,但从医学的角度看,这却是生物的一种自我保护措施。总体说来,呕吐是益多弊少的。人类在呕吐前常有恶心、出汗、流涎等征兆。一个人如果偶尔误食腐旧食物或别 1 Through long-term observations, it is not always harmful to get sick. Sometimes, minor illnesses may prevent you from getting seriously ill; some diseases may even make you healthier. 2 Vomiting is a self-protection measure. The taste of vomiting is not good, but from a medical point of view, this is a self-protection measure for the creature. On the whole, vomiting is more beneficial and less harmful. Humans often have signs of nausea, sweating, and runny nose before they vomit. If someone accidentally eats old food or something else