Hair loss Wikipedia. Hair loss, also known as alopecia or baldness, refers to a loss of hair from part of the head or body. Typically at least the head is involved. The severity of hair loss can vary from a small area to the entire body. Typically inflammation or scarring is not present. Windows Keystrokes To Rotate Display on this page. Hair loss in some people causes psychological distress. Common types include male pattern hair loss, female pattern hair loss, alopecia areata, and a thinning of hair known as telogen effluvium. The cause of male pattern hair loss is a combination of genetics and male hormones, the cause of female pattern hair loss is unclear, the cause of alopecia areata is autoimmune, and the cause of telogen effluvium is typically a physically or psychologically stressful event. Telogen effluvium is very common following pregnancy. Less common causes of hair loss without inflammation or scarring include the pulling out of hair, certain medications including chemotherapy, HIVAIDS, hypothyroidism, and malnutrition including iron deficiency. Crack Propagation In Abaqus Training. Causes of hair loss that occurs with scarring or inflammation include fungal infection, lupus erythematosus, radiation therapy, and sarcoidosis. Diagnosis of hair loss is partly based on the areas affected. Treatment of pattern hair loss may simply involve accepting the condition. Intervention that can be tried include the medications minoxidil or finasteride, and hair transplant surgery. Alopecia areata may be treated by steroid injections in the affected area but these need to be frequently repeated to be effective. Hair loss is a common problem. Pattern hair loss by age 5. About 2 of people develop alopecia areata at some point in time. Terminology. Baldness is the partial or complete lack of hair growth, and part of the wider topic of hair thinning. The degree and pattern of baldness varies, but its most common cause is androgenic hair loss, alopecia androgenetica, or alopecia seborrheica, with the last term primarily used in Europe. Signs and symptoms. Symptoms of hair loss include hair loss in patches usually in circular patterns, dandruff, skin lesions, and scarring. Alopecia areata mild medium level usually shows in unusual hair loss areas e. In male pattern hair loss, loss and thinning begin at the temples and the crown and either thins out or falls out. Female pattern hair loss occurs at the frontal and parietal. People have between 1. The number of strands normally lost in a day varies, but on average is 1. In order to maintain a normal volume, hair must be replaced at the same rate at which it is lost. The first signs of hair thinning that people will often notice are more hairs than usual left in the hairbrush after brushing or in the basin after shampooing. Styling can also reveal areas of thinning, such as a wider parting or a thinning crown. Skin conditions. A substantially blemished face, back and limbs could point to cystic acne. The most severe form of the condition, cystic acne arises from the same hormonal imbalances that cause hair loss, and is associated with dihydrotestosterone production. Seborrheic dermatitis, a condition in which an excessive amount of sebum is produced and builds up on the scalp looking like an adult cradle cap is also a symptom of hormonal imbalances, as is an excessively oily or dry scalp. Both can cause hair thinning. Psychological. Hair thinning and baldness cause psychological stress due to their effect on appearance. Although societal interest in appearance has a long history, this particular branch of psychology came into its own during the 1. The psychology of hair thinning is a complex issue. Hair is considered an essential part of overall identity especially for women, for whom it often represents femininity and attractiveness. Men typically associate a full head of hair with youth and vigor. Although they may be aware of pattern baldness in their family, many are uncomfortable talking about the issue. Spray To Cover Bald Patches On Beard' title='Spray To Cover Bald Patches On Beard' />Hair thinning is therefore a sensitive issue for both sexes. For sufferers, it can represent a loss of control and feelings of isolation. People experiencing hair thinning often find themselves in a situation where their physical appearance is at odds with their own self image and commonly worry that they appear older than they are or less attractive to others. Psychological problems due to baldness, if present, are typically most severe at the onset of symptoms. Hair loss induced by cancer chemotherapy has been reported to cause changes in self concept and body image. Body image does not return to the previous state after regrowth of hair for a majority of patients. In such cases, patients have difficulties expressing their feelings alexithymia and may be more prone to avoiding family conflicts. Family therapy can help families to cope with these psychological problems if they arise. Causes. Although not completely understood,citation needed hair loss can have many causes Pattern hair loss. Male pattern hair loss is believed to be due to a combination of genetics and the male hormonedihydrotestosterone. The cause in female pattern hair remains unclear. Infection. Dissecting cellulitis. Fungal infections such as tinea capitisFolliculitis. Copy-e1501943388814.jpg' alt='Spray To Cover Bald Patches On Beard' title='Spray To Cover Bald Patches On Beard' />This article, originally published on October 16, 2016, was updated on March 21, 2017. It appears in abridged form in the April 2017 issue of National Geographic. A hiking and travel blog with detailed trip reports and photos. Backpacking, hiking, camping, travel, Isle Royale, Kenai Fjords, Badlands, etc. The original community approved and research driven formulation. A natural solution designed to condition skin, lockin moisture and restore its integrity. The podcast craze of the past several years shows no signs of slowing down, and while every armchair broadcaster with a voice recorder app is eager to get in the game. Secondary syphilis1. Demodex folliculorum, a microscopic mite that feeds on the sebum produced by the sebaceous glands, denies hair essential nutrients and can cause thinning. Demodex folliculorum is not present on every scalp and is more likely to live in an excessively oily scalp environment. Drugs. Trauma. Traction alopecia is most commonly found in people with ponytails or cornrows who pull on their hair with excessive force. In addition, rigorous brushing and heat styling, rough scalp massage can damage the cuticle, the hard outer casing of the hair. This causes individual strands to become weak and break off, reducing overall hair volume. Trichotillomania is the loss of hair caused by compulsive pulling and bending of the hairs. Onset of this disorder tends to begin around the onset of puberty and usually continues through adulthood. Due to the constant extraction of the hair roots, permanent hair loss can occur. Traumas such as childbirth, major surgery, poisoning, and severe stress may cause a hair loss condition known as telogen effluvium,1. The condition also presents as a side effect of chemotherapy while targeting dividing cancer cells, this treatment also affects hairs growth phase with the result that almost 9. Radiation to the scalp, as when radiotherapy is applied to the head for the treatment of certain cancers there, can cause baldness of the irradiated areas. Pregnancy. Hair loss often follows childbirth without causing baldnesscitation needed. In this situation, the hair is actually thicker during pregnancy due to increased circulating oestrogens. After the baby is born, the oestrogen levels fall back to normal prepregnancy levels, and the additional hair foliage drops out. A similar situation occurs in women taking the fertility stimulating drug clomiphene. Other causes. Alopecia areata is an autoimmune disorder also known as spot baldness that can result in hair loss ranging from just one location Alopecia areata monolocularis to every hair on the entire body Alopecia areata universalis. Although thought to be caused by hair follicles becoming dormant, what triggers alopecia areata is not known. Spray To Cover Bald Patches On Beard' title='Spray To Cover Bald Patches On Beard' />Reasons for bald patches in men and women, including Alopecia areata, hotcombing with pomades, braiding and tight hairstyles, hairpulling, fungal infections, and. The article enlists 5 things that need to be avoided by men with thinning hair. SOmr of these things are dont comb like a maniac, dont wash your hair every day, use.