膨脹問題: 勃起缺乏 - 單一器質原因
一旦排除了膨脹問題的嚴重的生理發病原因，仍然還有某些“一般的”或“自然的”發病原因。這些發病原因可能是多種輕度的毛病或輕微的機能缺陷，然而，最明顯的輕度毛病或機能缺陷是衰老。男性隨著年齡的增長，他們的勃起會逐漸衰退，這可能給某些人帶來不便。過去，所有的男性不得不一面經歷著這種衰退，一面不得不在其性關係中做出相應的調節。不管怎樣，現在已經有各種各樣的改善勃起功能的藥物可供使用。

Problems of Tumescence: Lack of Erection - Simple Physical Causes
Once serious physical causes of tumescence problems have been excluded, there remain some " simple" or "natural" causes. These can be mild forms of various illnesses or incapacities, but the most obvious one is ageing. As men grow older, their erections gradually become less firm, and this may inconvenience some of them. In the past, all men had to live with this experience and had to make corresponding adjustments in their sexual relationships. However, today various medications are available that can improve the condition.