? The hair on the body and the head of a person is the process ofStestvenny, although not always desirable in some areas. Beautiful and thick hair on the head is an attribute of beauty and pride, especially for women. Healthy, well-groomed hair is an indicator of the normal work of the whole body.
Sometimes, for some reason, there is a rapid andA significant thinning of the hair, partial or complete loss of hair on the head and body. This phenomenon is a disease and is called »alopecia». ? The development of baldness is due to failures in the operation of certain systems of the human body and its individual organs.
Loss of hair on the human body occurscontinuously as their replacement with new ones. Norma is considered the daily loss of 100 hairs from his head. If you roll over this norm, it is considered a pathology, and conduct in-depth diagnosis and appropriate treatment is required, respectively. The study of the causes and treatment of baldness science is trichology.

Causes of alopecia
By pathological baldness cause various functional disruption of the body's systems, unhealthy lifestyle, gender, age and occupation of the person.
All causes of alopecia It can be divided into two basic types:
1. Genetic. The overabundance of the male hormone dihydrotestosterone causes thinning and hair loss, occurs most often in men is much less common, this problem occurs in women.
2. Symptomatic. This functional disorders of the nervous,endocrine, immune, vascular diseases, chronic infections, genetic factors, trace elements, etc. imbalance It also may include hair loss due to improper care, as well as regular human interaction with toxic environments.

Types of alopecia
According to the degree of manifestation are the following varieties of alopecia:
• alopecia (alopecia, krugovidnaya) - Is a rounded lesions partial or complete baldness different diameters. Nervous disorders, the presence of endocrine diseases, injuries may contribute to alopecia;
• diffuse - There is a uniform intense hair loss all over the scalp and certain parts of the body;
• total - There is a complete loss of hair, which cause many types of alopecia due to lack of authorization, improper or untimely treatment.

Depending on the cause and the clinical picture are the following types of alopecia:
1. Congenital. Total or partial lack of hair follicles. It may occur alone or in combination with other pathologies.
2. Symptomatic. It arises as a complication of severe diseases,chronic infections, due to which there is a toxic effect on the hair follicles. It may manifest as focal, diffuse, at least - total alopecia.
For symptomatic baldness result:
• hereditary disorders and developmental defects;
physical damage, the consequences of mechanical trauma and infectious processes;
• bacterial (syphilis, abrasions);
• viral (herpes, chickenpox);
• dermatoses;
• tumors.
3. Toxic. Can develop as after treatment with someDrugs, and in the process of production activities harmful to the body. ? Is called jumps. After cleansing the body of toxins, hair growth can be restored.
4. Seborrheic. It occurs as a complication of seborrhea and is oneof the most common types of baldness. It reaches a maximum of 25 years, in this age of people with the diagnosis and take the utterance start using things like women's and men's parks.
5. ? Ubtzovaya. There after suffering skin diseases. The hair follicle is destroyed and at the same time replaced by connective tissue.
6. Premature or androgenetic. Formed to 25-30 yearsMen. The cause of this baldness is a special effect on the hair follicle androgen hormones. In men, usually begins with the frontal-temporal region, gradually merging with the parietal foci, in women - in the field of sifting with spreading on both sides.





