24/12/2022
1. What is pathological hair loss?
Physiological hair loss: Normally, each hair can live about 8 months to 5 years. So, in a life cycle, hair will gradually age, weaken and fall is normal.
A healthy person can lose between 50 and 100 hairs per day. After hair loss, a new amount of hair will be grown to replace, compensate for the number of hairs that have been lost to ensure a stable thickness for the hair.
Pathological hair loss: When the amount of hair loss is more than 100 hairs/day, it is called alopecia areata. Identify pathological hair loss by some symptoms such as:
Hair loss is a lot (over 100 hairs/day), especially when washing hair, waking up and when brushing and combing hair, the amount of hair attached to it is more than usual.
When my hair grows, it will grow weak, thin, curly or even no hair
Thin, sparse hair can clearly see the scalp in women.
Hair falls out in patches, which can cause mild male pattern baldness.
2. Diseases that cause hair loss
The causes of hair loss are often due to an imbalance of male or female hormonal factors, stress, stress, genetic factors, lack of nutrition, abuse of beauty chemicals ...
However, hair loss can be caused by the following medical conditions:
Thyroid disease
Thyroid disease causes an imbalance of thyroid hormones in the body. Hypothyroidism causes decreased hormone levels, underactive thyroid gland; Or hyperthyroidism, the body produces too much hormone, the thyroid gland is overactive.
Hair loss is one of the typical signs of thyroid disease. When the amount of thyroid hormone is out of balance, it will interfere with the metabolism, leading to many inactive hair follicles, from which hair grows less and becomes thinner.
Inflammatory disease of the scalp
The hair fungus parasitic on the dead cells of the hair and they easily spread to the entire scalp. Leads to various types of scalp inflammation, infection .... makes hair thinning, easy to fall out. If ringworm is not completely treated, it can cause large patches of hair loss and can lead to baldness.
Immune system disorder (autoimmune disease)
When the immune system is disturbed, the body may mistake hair follicles for foreign invaders, leading to the body forming antibodies to eliminate hair follicle cells. In particular, the hair germ cells are damaged, leading to the hair loss process coming faster and earlier than usual.
Polycystic o***y syndrome
In women, polycystic o***y syndrome causes a hormone imbalance that causes the body to produce too many male hormones instead of female hormones. This disease often causes a lot of hair loss, while hair on the face and other parts of the body grows more than necessary.
Anemia, lack of substance
The process of growing hair consumes a lot of nutrients to have a strong hair, while in women, it is easy to lack blood and important nutrients such as zinc, protein, iron ... due to menstruation, pregnancy , childbirth or inadequate meals. When the nutritional content is inadequate, the hair germ cells are deprived of nourishment, lack of vitality, weak hair growth and easier to fall than usual.
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