How Thyroid Disease is related with Hair Loss? Know the scientific reason behind it

Health and Fitness Health Care & Medical

The thyroid gland is the endocrine gland, which is located in the neck, just below the larynx (Adam’s apple) and is responsible for the secretion of two hormones: thyroxine (T4) and triodothyronine (T3). These hormones regulate the metabolic rate and intracellular processes, the activity of the cardiovascular and digestive systems are responsible for brain development and mood. Since these hormones stimulate cell development, the natural cycle of hair follicles also depends on the proper functioning of the thyroid gland. Read on to find out how thyroid hormones affect your hair condition.

Thyroid disease and hair loss

Hypothyroidism is a condition in which the thyroid gland is not active enough, that is, it does not produce enough hormones T3 and T4. Hypothyroidism also affects hair growth.

Symptoms include fatigue, weight gain, muscle pain and weakness, dry and flaky skin, depression, and menstrual irregularities. Since these symptoms are also symptoms of other diseases, they cannot be noticed on time and, therefore, do not start treatment.

Another symptom of hypothyroidism is brittleness and hair loss. Hormones produced by the thyroid gland play a role in the life cycle of the hair and at each stage (growth, rest and loss). Not all hair follicles are at the same stage of the cycle: most of them are in the growth phase, and some are at rest. Thus, when the thyroid gland does not produce enough hormones T3 and T4, this leads to the appearance of a greater number of follicles in the resting phase and ultimately to noticeable hair loss. Hair will fall all over the head, and not in certain areas of it. Depending on the severity of hypothyroidism, hair loss can occur throughout the body, and its most obvious sign is hair loss at the outer edge of the eyebrows. Hair loss due to thyroid disease can occur only a few months after the onset of the disease due to the length of the hair’s life cycle.

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Hyperthyroidism and Hair Loss

Hyperthyroidism is a condition characterized by excessive thyroid function in which too many T3 and T4 hormones are produced. Hyperthyroidism is manifested in a wide range of symptoms, such as nervousness, anxiety and irritability, weight loss, swelling in the neck, palpitations and hair loss.

Unlike hair loss caused by hypothyroidism, with increased thyroid function, the hair will thin out or fall out in areas. Hair falls out only on the head, and not on the whole body. They can also become too soft and thin.

The Relationship Between Thyroid Diseases And Alopecia

Usually, those who suffer from hypothyroidism or hyperthyroidism also have an autoimmune thyroid disease. Such people become more prone to the development of other autoimmune diseases, for example, alopecia areata – one of the types of alopecia.

This disease occurs when the immune system attacks the hair follicles, causing hair loss in separate areas, rather than general thinning and hair loss.

Is Hair Loss Caused By Thyroid Diseases Reversible?

If you are concerned about hair loss, consult your doctor and he will direct you to tests to determine the cause of the problem.

If hair loss is caused by a thyroid disease, then in most cases the hair will grow back, provided that you undergo the course of the prescribed treatment. However, this can take several months, therefore, in order to better cope with the problem of hair loss, we recommend changing the diet to include more products that are beneficial for the hair, choosing a hairstyle that will mask thinning , and trying to avoid increased stress on the hair in the form thermal styling, tight weaving or chemical treatment.

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