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2. Vitamin B12. One of eight B-complex vitamins, vitamin B12 is found naturally in some types of fish, red meat and fortified foods.It plays a key role in central nervous system function, DNA ...
It causes bilateral hair loss and hyperpigmentation of the flanks. The disease usually starts in the late fall or early spring, and can regrow in about six months, although the hair may be different in color or texture. Treatment with melatonin may result in hair regrowth sooner, so it is thought that the amount of daylight influences this ...
Over-supplementation of vitamins A and D can cause vitamin toxicity in dogs. [72] Excess vitamin A can cause dehydration, joint pain and can also harm the blood vessels, while too much vitamin D can cause muscular atrophy, loss of appetite and many other health-related problems.
[3] [28] For example, a lack of hair may make rhesus macaques more vulnerable as the affected areas are more exposed to environmental factors. [15] [27] Discomfort, an indicator of well-being, has been displayed by rhesus macaque individuals experiencing hair-pulling, which is a known cause of alopecia in primates.
Biotin. This B vitamin is an ingredient in many different hair supplements—for good reason. “Biotin is a water-soluble vitamin that supports the growth of hair, skin, and nails by helping to ...
Perhaps the most well-known condition to cause hair loss is alopecia, which, Massick explains, “causes your own immune system to attack the hair follicles [so that] the hairs just fall out ...
Finasteride is used to treat male pattern hair loss. [25] Treatment provides about 30% improvement in hair loss after six months of treatment, and effectiveness only persists as long as the drug is taken. [20] There is no good evidence for its use in women. [14] It may cause gynecomastia, erectile dysfunction and depression. [26]
Valproic acid, one of the most commonly prescribed epilepsy treatment drugs, also used to treat certain psychological conditions such as bipolar disorder, is a known inhibitor of folic acid, and as such, has been shown to cause birth defects, including neural tube defects, plus increased risk for children having cognitive impairment and autism ...