Ample testosterone puts your body in an anabolic or muscle-building state.
It does so by helping your body produce and assemble proteins that form the building blocks of lean mass.
When your testosterone levels drop, your body turns catabolic instead, breaking down muscle tissue.
It's a little known fact that a drop in testosterone can have an impact on many facets of your health and lifestyle, from reduced sex drive to a bigger belly.
Should you be concerned? Find out more in the video above.