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GlossaryVitamin A Deficiency (hypovitaminosis A)

lack of vitamin A leading to vision and immune issues

Vitamin A Deficiency, also known as hypovitaminosis A, occurs when the body doesn't get enough vitamin A, an essential nutrient for maintaining healthy vision, immune function, and skin health. This deficiency can lead to symptoms such as night blindness, an increased risk of infections, and in severe cases, can cause complete blindness and other serious health issues.

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research Acne and Systemic Diseases

1 citations , November 2015 in “European medical journal”

Acne is common and can be linked to various systemic health conditions and syndromes.

research Determining the Causes of Reproductive Disorders in Nutrias

May 2025 in “VETERINARY SCIENCE TECHNOLOGIES OF ANIMAL HUSBANDRY AND NATURE MANAGEMENT”

Poor-quality feed and low vitamin A cause reproductive issues in nutrias.

research Retinoids Putting the 'A' in Alopecia

7 citations , January 2013 in “Journal of Investigative Dermatology”

Vitamin A may influence hair loss conditions like alopecia, but more research is needed to understand how.

Misdiagnosis as Asphyxiating Thoracic Dystrophy and CMV-Associated Hemophagocytic Lymphohistiocytosis in Shwachman-Diamond Syndrome

research Misdiagnosis as Asphyxiating Thoracic Dystrophy and CMV-Associated Hemophagocytic Lymphohistiocytosis in Shwachman-Diamond Syndrome

15 citations , January 2013 in “European Journal of Pediatrics”

Patients with Shwachman-Diamond syndrome often get misdiagnosed due to a wide range of symptoms, including immune system problems and bone abnormalities.

research Micronutrients for Hair and Nails: A Review of Their Impact on Health

1 citations , January 2010 in “Springer eBooks”

Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.

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community Vitamin D deficiency strongly correlates with androgenic alopecia, FMPH and telogen effluvium

in Research/Science 162 upvotes 1 year ago

Vitamin D deficiency is linked to hair loss, and supplementation with vitamin D can improve conditions like androgenic alopecia and telogen effluvium. Users discussed various dosages of vitamin D, emphasizing the importance of getting blood tests to determine the appropriate amount.

community Going to try and reverse MPB naturally.

in Treatment 55 upvotes 3 years ago

A user is trying to reverse male pattern baldness (MPB) naturally by taking high doses of Vitamin D, improving diet, exercising, reducing stress, and other lifestyle changes, but plans to use finasteride if no results are seen in 60 days. Other users are skeptical, advising medical treatments like finasteride and warning against potential vitamin D overdose and the ineffectiveness of natural remedies for genetic hair loss.