Your energy doesn’t fade because you’re “getting older.” It fades because your body is running low on what it needs to keep stress in check. You start waking up at 3 a.m. to pee. Your hair starts thinning for no reason. There’s that annoying ringing in your ears that won’t go away. Most people shrug these off as normal signs of aging. But they’re actually signs of something deeper — elevated cortisol. Starting in your 20s, cortisol levels can begin creeping up quietly. You might notice your ener