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The topic of “hair loss” is one of the most researched medical topics by the public. According to internet search engine statistics. At the same time; Many medical facts about the causes of this condition and how to treat it therapeutically are still scientifically unclear to many people, especially the difference between “hair loss” and “hair loss” cases.

Facts about hair and hair loss

Here are the following facts about hair and the mechanisms of hair loss:

1- Hair starts appearing on the skin in the early stage of fetal life, especially when it is two months old. The first areas where hair appears in the fetus: regardless of gender, these are the eyebrows, upper lip and chin. Then, when the fetus reaches the fourth month of its life, hair begins to appear on the rest of its body. When the hair is healthy in its structure and strength, a single hair can support a weight of 100 grams. That is, all the hairs on the scalp can support more than two tons. This is the weight of two African elephants.

Hair is the second fastest growing tissue in the human body after bone marrow tissue. Hair grows about one centimeter every month. There are 14 different mineral components within hair components. Most of them are of very small size and one of them is metallic gold. The main elements in high abundance in single hair are: carbon, oxygen, nitrogen, hydrogen and sulphur.

2- From an anatomical point of view; A hair is a proteinaceous appendage that grows continuously. It consists of 3 layers: a tough outer cortex, a less tough middle cortex, and then the inner core of the hair. The root of the hair is located under the skin in a sac called a follicle.

Among the components of the hair root is the “hair papilla”, which is responsible for the production of the hair shaft that emerges from the skin. Hair growth from the “hair papilla” goes through several stages: first is the growth stage, in which hair production lasts for about 5 years, then comes the resting and stasis stage, which lasts for about 3 months, during which the hair shaft stops growing, and then comes the shedding stage, which separates. Hair is on the body.

Then the hair follicle goes through these three stages and starts producing another hair. 90 percent of scalp hair is in the growth phase, 10 percent is resting and stagnant. Every hair in the human body has its own nerve, blood supply and muscles. Hair is a storehouse of health information about a person, and by analyzing the components of the hair, it is possible to determine the body's minerals and vitamins and the medications a person is taking. However, there are no clear differences between male and female hair.

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Hair loss

3- According to the results of global statistics, the global market size for hair loss treatment will reach approximately USD 53 billion by 2022. That is, hair loss products and treatments based on sales. Over the past five years, this market has grown at a rate of 7 percent annually. Based on market expectations of future annual growth, the hair loss management market will exceed USD 88 billion by 2030. Men make up the majority of people seeking hair loss products and treatments; 65 percent. If the “hair transplant” sector alone is taken into account, the demand rate for men is 85 percent higher.

The three countries with the highest rates of male pattern baldness globally (about 44 percent) are in Western Europe: Spain, Italy, and France.

4- About 85 percent of men and 33 percent of women will experience some degree of hair loss at some point. This problem is more common than some people think. “Male pattern baldness (or androgenetic alopecia)” accounts for 95 percent of hair loss cases in men. More than 65 percent of American men suffer from varying degrees of hair loss by the age of thirty-five.

By age 50, about 85 percent of men will show more obvious signs of hair loss; Literally, “thin hair”. Male pattern baldness can affect people of all ages. About 25 percent of male pattern baldness begins before the age of twenty-one. The main cause of hair loss is genetics. Male pattern baldness accounts for 95% of male pattern baldness. Other causes include diet, stress, lifestyle and disease.

5- In general; 40 percent of women who suffer from noticeable hair loss experience marital problems due to hair loss. 64 percent of them say they face problems related to their career. More than half of women experience hair loss during menopause.

A recent study indicates that more than 50 percent of women experience hair loss after reaching the age of fifty. The severity of hair loss varies depending on various factors. Women who live stressful lives are 11 times more likely to experience hair loss. Although it is not clear how stress inhibits the growth of hair follicles, researchers have observed such a connection. Various studies are being conducted to determine how stress affects tissue regeneration.

“hair loss”

6- A shedding of 50 to 100 hairs per day is considered acceptable. But “hair loss” is diagnosed when a person loses more than 100 hairs per day. But as the American Academy of Dermatology (AAD) warns, there's a big difference between “hair loss” and “hair loss.” “If you notice more hair than usual on your pillow or hairbrush, you may be concerned that you're experiencing hair loss,” she says. It's actually possible that he's shedding more than usual. Yes, there is a difference. Hair loss occurs when hair growth is inhibited. Dermatologists can distinguish between (hair loss) and (hair loss).

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She adds: “If you're concerned about the extent of hair loss, there's no need to suffer in silence. You can turn to a dermatologist for help. These doctors specialize in diagnosing and treating skin, hair and nails. A dermatologist can tell you whether you suffer from (hair loss) or (excessive hair loss); Some have both. A dermatologist can diagnose the cause or causes and tell you what to expect. There are many effective treatment options for hair loss. Earlier treatment begins; “The prognosis was excellent.”

7- The American Academy of Dermatology (AAD) states: “Excessive hair loss is common in people who are exposed to one of the following stressors:

– When losing 20 pounds (about 9 kilograms) or more.

– Women giving birth.

– The woman stops taking birth control pills.

– Exposure to high levels of stress (caring for a sick loved one, divorce or losing a job).

– Suffering from high temperature.

– Subject to surgery.

– recovery from an illness; Especially if the temperature is high.

Most people notice excessive hair loss a few months after a stressful event. For example; A new mother may experience excessive hair loss two months after birth. Shedding usually peaks around 4 months after birth. This loss is natural and temporary.

As your body adjusts, excessive shedding will stop. Within 6 to 9 months, the hair regains its natural density. However, if stress persists, hair loss can continue for a long time. “People who are constantly under a lot of stress may suffer from excessive hair loss in the long run.”

Common causes of hair loss

8- Common causes of “hair loss” (not hair loss):

– Hereditary hair loss.

– Immune system goes into overdrive.

– Taking certain medications and treatments.

– Hair pulling hairstyles.

– Harsh hair care products.

– “Psychological compulsion” to pull hair.

The American Academy of Dermatology states: “If you suffer from hair loss, your hair will not grow back until the cause is stopped. For example; People who have undergone chemotherapy or radiation therapy often experience hair loss. When treatment is discontinued; Their hair grows back. But many people with hereditary hair loss continue to lose hair without treatment. Genetic hair loss Women who have inherited the genes may experience gradual hair loss. Men who suffer from hereditary hair loss experience receding hair or bald patches that start in the middle of the hairline.

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9- Hair loss occurs in different ways depending on the type of cause that led to hair loss, it can be genetic or hormonal changes, medical conditions or a normal part of aging symptoms. It is true that anyone can suffer from hair loss, but it is more common among men. Baldness usually refers to excessive hair loss from the scalp. Hereditary hair loss is the most common cause of baldness. People differ here; Some people can leave their hair loss unhidden, while others manage it by wearing a modified haircut or wig to hide or reduce the area of ​​baldness. They differ in their treatment of it. Some people leave it untreated, while others research and use available treatments to prevent hair loss or restore hair growth. But before starting treatment, it is essential to speak to a specialist to explore the type of hair loss, the cause of hair loss and appropriate treatment options.

85% of men and 33% of women experience hair loss at some point.

10- Mayo Clinic dermatologists say: “Indicators and symptoms of hair loss include:

– Gradual thinning of hair on the top of the head: This type of hair loss is the most common type. It affects people as they age. In men, hair often begins to recede at the hairline on the forehead. As for women; They usually cause hair follicles to widen. A common pattern of hair loss among older women is a receding hairline (frontal fibrous alopecia).

– Circular or patchy bald spots: Some people experience hair loss in the form of circular or patchy bald spots on the scalp, beard or eyebrows. Your skin may feel itchy or sore before the hair falls out.

– Sudden Hair Loss: Exposure to physical or emotional trauma can cause hair loss. A single strand of hair may fall out while combing, washing, or even after gentle pulling. This type of loss usually causes hair loss, but this is temporary.

– Full body hair loss: Certain medical problems and treatments – such as chemotherapy for cancer – can cause full body hair loss. This hair grows back.

– Spread of scaly patches on the scalp: This is a sign of ringworm infection. This spread may be accompanied by hair loss, redness, swelling and sometimes oozing.

* Consultant in Internal Medicine

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