Pushing 40? - Blog - Testosterone replacement & general men's health articlesIf you are approaching 40 years of age or beyond, you are probably starting to realize you can no longer train like you did in your 20s. As a matter of fact, if youíre like most, you canít even get out of bed like you did in your 20s. Whether itís the result of injuries, age or both, our bodies can no longer perform in the manner they once did. And if we want to continue to train hard, be healthy and improve, we must make the necessary changes. I learned this lesson the hard way.