If you have ever been concerned about your penis size, you're not alone. The size of the male sex organ has long been thought to be an indicator of a person's testosterone levels and sexual abilities.

Penis size and shape are a worry for many people, particularly when it comes to sexual compatibility. However, no single size is right for everyone, and there are important factors for compatibility ...

Many people report dissatisfaction with either the length or girth of their penis. Those with a thin penis may worry that they cannot fully stimulate their partners. However, there are many more ...