Cortisol

Cortisol

11 November 2025
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Cortisol is a steroid hormone produced by the adrenal glands. It follows an internal biological 24-hour cycle of rise and fall:

  • It rises in the morning to wake us up and prepare the body for action.
  • It gradually decreases during the day.
  • It should be low in the evening to allow the release of melatonin and the onset of sleep.

When this rhythm is disrupted - from stress, lack of sleep, caffeine, chronic overload or inflammation - cortisol starts working at high speed. The body goes into fight or flight mode.

 

After the age of 40, especially before and during menopause, the ovaries gradually reduce the production of estrogen and progesterone. These two hormones have a calming effect on the nervous system – they balance cortisol and maintain stability in blood sugar, mood and sleep. When these decrease, the adrenal glands take over some of the load and start working more intensively to compensate.


The result is: Increased cortisol levels for most of the day. Disturbed sleep – difficulty falling asleep or waking up early. Fluctuations in appetite and blood sugar. Feeling anxious, irritable and tired, even with little exertion.
High cortisol leaves its mark on the face and skin. It increases the breakdown of collagen and elastin – fine lines, loss of firmness and dryness appear. It leads to fluid retention – puffiness around the eyes and face. It disrupts cell regeneration – the skin looks tired and the tone is uneven. Elevated cortisol affects insulin and leptin – the hormones that regulate appetite and fat storage. This leads to the accumulation of fat in the abdominal area, even with preserved eating habits.

 

If stress is long-term and the adrenal glands overheat, the opposite can occur – low cortisol levels. Then the woman feels morning apathy and lack of energy. Dizziness, low blood pressure. Increased sensitivity to stress and noise. Difficult recovery after physical exertion.

 

* This is not medical advice. The article is for informational purposes only. The information does not constitute medical advice and cannot be used to make a medical diagnosis. If you need advice or treatment, please seek medical help. He can assess your individual condition and make an accurate diagnosis. This article serves as general culture and awareness.