Guilt makes you weak

　　科学研究表明：心理的内疚感使人身体的免疫力下降，从而影响了身体的健康。

　　People who have trouble enjoying life's pleasures m ay be making themselves vulnerable(易受伤的) to infection.

　　Guilt about eating chocolate, or even reading a boo k are all associated a book are all associatd with a we akened immune(免疫的) system, psychologists said.

　　Even hesitation about enjoying smoking or watching television may help to make a person vulnerable.

　　The researchers asked volunteers to describe their most pleasurable activities and then to admit how much guilt they felt about pursuing them.

　　They then analyzed saliva(唾液) samples, a chemical t hat is thought to measure the strength of the immune sy stem.

　　They said that volunteers who admitted to the stron gest feelings of guilt also had the weakest immune syst ems.

　　Previous research has provided strong evidence for the health benefits of pleasurable activities and posit ive thinking, and now we know that the opposite can occ ur feelings of guilt may be harmful to health.

　　The researchers earlier said how strees could preve nt cuts and wounds from healing.