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老年人有性功能和性要求是正常的生理反应,性生活也是老年期精神生活中的一个重要部分。文化发达,生活条件优裕及性开放的国家,老年人比较活跃。日本一组≥60岁
The elderly have sexual function and sexual requirements are normal physiological reactions, sexual life is also an important part of mental life in old age. Countries with developed culture, well-off living conditions and open sex are more active in the elderly. A group of Japanese ≥ 60 years old