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Smoking: Recent studies [14] suggest that smoking can lead to marginal biotin deficiency because it speeds up biotin catabolism (especially in women). [19] Excessive alcohol consumption [20] (causes a significant reduction in plasma biotin levels) Excessive consumption of antidiuretics or inadequate levels of antidiuretic hormone [21]
Discover what this essential B vitamin can do for your body and whether you need more in your diet.
Pernicious anemia often presents slowly, and can cause harm insidiously and unnoticeably. Untreated, it can lead to neurological complications, and in serious cases, death. [19] The onset may be vague and slow and the condition can be confused with other conditions, and there may be few to many symptoms without anemia. [20]
Subclinical deficiency can cause mild symptoms, such as hair thinning, brittle fingernails, or skin rash, typically on the face. [2] [4] Aside from inadequate dietary intake (rare), deficiency of biotin can be caused by a genetic disorder that affects biotin metabolism. The most common among these is biotinidase deficiency.
Signs of a biotin deficiency may appear gradually, per the NIH. In the later stages, a biotin deficiency can cause: Hair thinning. Hair loss. A scaly, red rash around orifices. Dry, red eyes ...
Biotin deficiency is very uncommon, but experiencing it can cause an array of side effects, including: hair thinning or loss, brittle nails, a red scaly rash (around the eyes, nose, and mouth), a ...
Vitamin K deficiency bleeding (VKDB) due to physiologically low vitamin K plasma concentrations is a serious risk for premature and term newborn and young infants. Untreated, consequences can cause brain damage or death. The prevalence of VKDB is reported at 0.25 to 1.7%, with higher risk in Asian populations.
Mutations in the BTD gene cause biotinidase deficiency. Biotinidase is the enzyme that is made by the BTD gene. Many mutations that cause the enzyme to be nonfunctional or to be produced at extremely low levels have been identified. Biotin is a vitamin that is chemically bound to proteins. (Most vitamins are only loosely associated with proteins.)