A Mad Doctor Believes That Baldness Can Be Cured by Warming the Scalp With Sound Waves
What Is It?
Hair loss tin can range from balmy hair thinning to full baldness. Hair can fall out for many different reasons. Medically, hair loss falls into several categories, including:
- Telogen effluvium — This common form of pilus loss happens two to three months after a major body stress, such every bit a prolonged illness, major surgery or serious infection. Information technology also tin happen afterwards a sudden change in hormone levels, especially in women later on childbirth. Moderate amounts of hair fall out from all parts of the scalp, and may be noticed on a pillow, in the tub or on a hairbrush. While hair on some parts of the scalp may appear thinner, it is rare to encounter large baldheaded spots.
- Drug side effects — Hair loss can be a side consequence of certain medications, including lithium, beta-blockers, warfarin, heparin, amphetamines and levodopa (Atamet, Larodopa, Sinemet). In addition, many medications used in cancer chemotherapy — such every bit doxorubicin (Adriamycin) — commonly cause sudden pilus loss affecting the entire head.
- Symptom of a medical illness — Hair loss tin can be one of the symptoms of a medical illness, such as systemic lupus erythematosus (lupus), syphilis, a thyroid disorder (such as hypothyroidism or hyperthyroidism), a sexual activity-hormone imbalance or a serious nutritional problem, particularly a deficiency of protein, iron, zinc or biotin. These deficiencies are most common in people on restrictive diets and women who have very heavy menstrual period.
- Tinea capitis (fungal infection of the scalp) — This class of patchy pilus loss happens when certain types of fungi infect the scalp. This causes the hair to break off at the scalp surface and the scalp to scrap or become scaly. Tinea capitis is a mutual form of patchy pilus loss in children.
- Baldness areata — This is an autoimmune disease that causes hair to fall out in one or more small patches. The cause of this status is unknown, although it is more common in people who have other autoimmune diseases. When the same procedure causes total loss of pilus from the scalp it is known equally alopecia totalis.
- Traumatic alopecia — This class of hair loss is acquired by hairdressing techniques that pull the hair (tight braiding or cornrowing), expose hair to extreme heat and twisting (curling iron or hot rollers) or damage the hair with stiff chemicals (bleaching, hair coloring, permanent waves). In addition, some people accept an uncommon psychiatric disorder (trichotillomania) in which compulsive pilus pulling and twisting can cause bald spots.
- Hereditary pattern alopecia, or androgenetic baldness — In men, pilus loss may follow the typical male pattern (receding forepart hairline and/or thinning hair at the meridian of the head). This is the most mutual type of pilus loss, and information technology can begin at any time in a man'due south life, even during his teen years. It usually is caused by the interaction of iii factors: an inherited tendency toward baldness, male hormones and increasing age. Many women volition develop some caste of female-pattern baldness. In women, thinning occurs over the entire meridian or crown of the scalp, sparing the front end of the scalp.
Symptoms
We normally lose approximately 50 to 100 scalp hairs each day. If more this is falling out, yous may notice unusually big amounts of hair in brushes, on clothing, and in the drains of sinks and tubs. Y'all may too observe that your hair is more often than not thinner, that your part is wider, that your hairline has changed or that i or more baldheaded patches take appeared.
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Source: https://www.health.harvard.edu/a_to_z/hair-loss-a-to-z
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