Cortisol is today’s least-loved hormone. In truth, cortisol isn’t actually all bad—it’s essential for helping us stay alert and respond to stress. Of course, if left unchecked, high cortisol levels can wreak havoc on our central nervous system, causing everything from fatigue to irritability to increased risk of heart disease. And, let’s not forget the unfortunate effects it can have on skin .

Luckily, there are plenty of ways to keep cortisol levels in balance: going for a walk , practicing breathwork , or even chatting briefly with a friend. “When we engage in activities that help us manage stress, such as mindfulness, meditation, or deep breathing exercises, we are essentially calming the nervous system,” explains Dr. Michael Markopoulos .

There are also dietary changes on

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