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Yellow beard
Introduction
Introduction Beard refers to hair that grows on the upper lip, chin, cheeks, two jaws or neck of a man. The yellowing of the beard is due to the lack of trace elements.
Cause
Cause
In addition to the congenital genetic causes, the main causes are: hypothyroidism, high malnutrition; severe iron deficiency anemia and major illness, resulting in a decrease in melanin in the body, resulting in a lack of basic substances in black hair, gradually becoming yellow brown or light yellow.
Examine
an examination
Related inspection
Endocrine function test
The beard was originally black and slowly found it yellow.
Diagnosis
Differential diagnosis
Sparse beards: The amount of adult man's beard varies from person to person. After the boy matures in adolescence, if only the whiskers are sparse and other sexual characteristics such as sound, larynx and external genitalia are normal, there is no need to worry. This is a normal situation, so no beard is pathological, and it is necessary to judge the whole body development. .
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