现代医学研究认为,老年人有正常而持久的性功能,是健康长寿的好兆头,是老年人精力充沛的表现。适当而和谐的性生活,有助于增强人体的免疫功能,消除孤独感,避免生殖器的萎缩,对预防癌症和各种妇科病亦大有益。一份关于性爱与人体免疫功能的研究发现,一个人在爱和被爱时,免疫力保持在较高水平,上呼吸道的免疫功能增强;而爱情经常受挫的人则易患感冒。从夫妻生活中获得性满足的人,很少发生精神症状。 Modern medical research suggests that the elderly have normal and long-lasting sexual function, which is a good sign of health and longevity and an energetic performance of the elderly. Appropriate and harmonious sexual life, helps to enhance the body’s immune function, eliminate loneliness, to avoid genital atrophy, to prevent cancer and a variety of gynecological diseases is also great benefit. A study of sexual and human immune function found that when a person is in love and being loved, immunity is maintained at a high level, the immune function of the upper respiratory tract is enhanced, and those who are often frustrated are at risk of a cold. People who get sexual satisfaction from their conjugal life seldom have psychiatric symptoms.