What Does “High Cortisol” Even Mean?
By: Krysten Brenlla
“High cortisol” has become a popular phrase across social media, wellness podcasts, and health conversations. It’s often blamed for everything from weight gain and exhaustion to poor sleep and anxiety. But what does high cortisol actually mean, and when should people truly be concerned?
What’s Cortisol?
Cortisol is a hormone produced by the adrenal glands, which sit on top of the kidneys and act as important hormone factories that produce essential chemicals, like cortisol. Often referred to as the body’s stress hormone, cortisol plays an important role in regulating metabolism, blood sugar, inflammation, blood pressure, and the sleep-wake cycle.
Under normal circumstances, cortisol levels naturally rise and fall throughout the day. They’re typically highest in the morning to help people wake up and feel alert, then slowly decline throughout the day and evening. Cortisol also increases temporarily during stressful situations, helping the body respond to challenges or perceived threats. This short-term stress response is part of human survival.
What Happens When You Have a Cortisol Imbalance?
Problems can arise when cortisol levels remain elevated for long periods of time. Chronic stress, lack of sleep, overtraining, illness, and certain medical conditions can all contribute to prolonged cortisol elevation. When the body stays in a constant fight-or-flight state, it can begin to affect overall health and well-being.
Possible Symptoms of High Cortisol
Some signs of high cortisol levels may include:
- Fatigue
- Difficulty sleeping
- Irritability
- Headaches
- Brain fog
- Increased appetite
- Weight gain, specifically around the belly or abdomen area
People may also notice increased anxiety, difficulty concentrating, or feeling constantly alert, but exhausted. However, many of these symptoms can overlap with other health conditions.
What to Keep in Mind
It’s important to note that not every stressful week or sleepless night means someone has dangerously high cortisol. Social media trends have contributed to widespread misunderstandings about cortisol. In reality, diagnosing a true imbalance requires a trip to your doctor’s office for a medical evaluation, not online quizzes or generalized symptom lists.
For most people, managing cortisol comes down to supporting overall physical and mental health. Prioritizing consistent sleep, regular physical activity, balanced diets, stress management, and healthy social connections can all help regulate cortisol and how the body responds to stress. Relaxation techniques such as meditation, deep breathing, or spending time outdoors may also be beneficial after a stressful day or week.
If you have a question or concern about your health, Jackson Health System is here to help. To schedule an appointment with a Jackson Medical Group doctor, visit https://medicalgroup.jacksonhealth.org/.