 And as we age, our bodies get tired, our minds get sluggish, our thyroids get sluggish, or we get low testosterone. And we want to optimize these hormones to useful levels in order to keep our energy up, our brain sharp, our muscles strong, and our bones strong. So it's just really simple. And when we do this, we don't need all those other medications. Testosterone, I tell most of my patients, is the most amazing anti-inflammatory drug