How to stay healthy, smart, mobile, able to work and lead an active life at 80+? Lifext is a scientific companion app that helps you achieve this goal in a harmonious, non-kinky, scientific way.
Blogs
Testosterone - what for do men need it and how to maintain strength till the old age
The article is devoted to such an important hormone as testosterone, and an explanation of why it makes men men. This article should be interesting for women too, not only men.