What Does Your Hair Tell About Your Health? Excess Growth or Hair Loss - Looking for Effective Treatments; FAQs Regarding Hair Health Answered

Bristol, March 19: Hair speaks volumes. The way we cut, style, and colour often act as a representation of who we are. But hair is more than just aesthetic. It also has many important functions, such as preventing heat loss from the skin, for instance, or (in the case of our eyebrows), stopping sweat from dripping into the eyes. Hair can be a reflection of what's going on inside our body, too. Many diseases can alter the quality and appearance of our hair. Paying attention to the way it looks can give us clues to the state of our health.

The Hair Cycle

Some of the tiniest organs in our bodies are the follicles, which produce and nourish hair. Hair can only grow where follicles exist. Hair growth is a complex process. Each tiny follicle goes through different cyclical stages. The first is the stage of active hair growth (the anogen phase), before growth is arrested (the catagen phase). This then progresses to the stage when the hair is lost or shed from the follicle (the telogen phase). Many factors, from our genetics to our hormones to our age, can affect these follicles and their growth. Hair Loss Causes: Is Your Hair Fall Normal? How Much Shedding Is OK and When Should It Be a Concern.

Excess Hair Growth

Hypertrichosis is a condition where hair grows in excess all over the body. In most cases, this is a reaction to starting a new medication, such as phenytoin, which is used to treat epilepsy. But it may also be caused by diseases, such as anorexia and HIV. Some conditions also cause hair to grow in places where it shouldn't. In newborn babies, tufts of hair near the base of the spine may indicate spina bifida occulta. This occurs when the lower vertebrae of the spine haven't formed properly, leaving the delicate spinal cord covered only by skin. The hows and whys of these conditions and their ability to trigger hypertrichosis remain poorly understood.

Hirsutism is another condition where hair grows excessively, but in a typically male pattern—on the face, lips, chest, and arms. This is driven by androgen hormones, namely testosterone, which, in high levels, promotes hair growth in these regions. This may be observed in polycystic ovary syndrome.

Hair Loss

Hair may also start to fall out in abnormal amounts, making it thinner or absent in certain body regions. The medical term for hair loss is alopecia, which may either be localised or widespread. Causes of alopecia are manifold and include fungal infections, iron-deficiency anaemia, low thyroid hormone levels, and the use of medications (including chemotherapy).

Age, gender, and genetics are also to blame. Male pattern baldness occurs at the hairline and the crown of the head. It's influenced by the hormone testosterone, which shortens the growth phase of hairs and makes them finer. Most men with male pattern baldness will begin to observe hair loss by the age of 20–25. Female pattern baldness, on the other hand, usually affects the front hairline first and causes thinning rather than complete loss. The role of testosterone is more debatable in women, but a hormonal cause is implicated since thinning is more common around and after menopause.

Hair loss may also arise as a result of hair pulling. Styling hair tightly can cause traction on the follicle and loss of hair integrity. Some people may also pull or pluck their hair out of habit. This is called trichotillomania.

Treating Hair Problems

Helping hair regrow could be as simple as treating the underlying condition causing it. Another treatment to consider is the medication minoxidil, the active ingredient of Rogaine. It was initially developed as a treatment for high blood pressure but was observed to also promote hair growth. This may be through a direct effect on hair follicles or by improving blood flow to the scalp. These uncertainties may explain why some patients see good improvement, and others do not.

Hair transplants are also a possibility, relocating crops of hair to bald patches. There are two ways of performing them: you can either relocate multiple small 'punched-out' grafts or a larger strip of skin. The grafts are taken from the hairy skin on the patient's own body; this is an example of an autograft. Sometimes the presence of hair in visible areas is not desirable, and there are certain treatments available to stop excessive growth. Aside from traditional hair removal methods, the contraceptive pill and other medications that regulate hormonal influence on hair (such as finasteride) can be considered in cases where a hormonal condition is the cause (such as PCOS).

Test Your Own Hair

In order to get a better sense of your hair's health, you can perform a simple test at home yourself, known as a hair pull. Select a group of between 30 and 50 hairs (a small clump) and run your fingers from the base of the hairs at the scalp up to the ends. You don't need to pull hard; gentle traction is all that's needed to dislodge shedding hair. Look to see how many you've pulled out.

It's normally only one or two hairs that will come out with one pull, but this can vary between people. Greater than ten strands of hair, and your scalp is likely to be shedding more hair than normal. This could be suggestive of alopecia, though having a dermatologist perform a more detailed inspection may help you know if your hair loss indicates a more serious problem. Aloe Vera Gel for Hair: How To Use the Hydrating Super-Plant To Induce Hair Growth & Help Damage Repair.

Changes in your hair may not simply be a matter of age or how you've been styling it. There are many patterns of hair growth and loss to be aware of. Take note of any differences noticed by you or your hairdresser.

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