Stress causes actual physiological changes in our body. These changes throw off our entire equilibrium, and affect every system of our body. Hair is very sensitive to any disturbances or changes within our body. If the disturbance is severe or prolonged the hair growth cycle becomes disrupted, causing excessive hair loss and delaying new growth. Cortisol is one of the main hormones involved in combating stress. Too much or too little cortisol can cause hair loss. Cortisol is produced from the adrenal glands. The adrenal glands can become dysfunctional trying to keep up with the demands of stress. Any adrenal gland disorder can lead to hair loss.

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