Â· Taking vitamin A by mouth is effective forpreventing and treating symptoms of vitamin A deficiency. Vitamin A deficiencycan occur in people with protein deficiency, diabetes, over-active thyroid,fever, liver disease, cystic fibrosis, or an inherited disorder calledabetalipoproteinemia.
Â· Premenopausal women with a family history of breast cancer whoconsume high levels of vitamin A in their diet seem to have lower risk ofbreast cancer. It is not known if taking vitamin A supplements has the samebenefit.
Â· People who consume high amounts of vitamin A in their diet seem tohave a lower risk of developing cataracts.
Â· Taking vitamin A by mouth seems to reduce the risk of measlescomplications or death in children with measles and vitamin A deficiency.
Â· Research shows that taking vitamin Acan help treat precancerous lesions in the mouth.
Â· Taking vitamin A, during, and afterpregancy reduces diarrhea after giving birth in malnourished women.
Â· Taking vitamin A before and duringpregnancy seems to reduce the risk of death by 40% in malnourished women.
Â· Taking vitamin A during pregnancy seemsto reduce nightblindness by 37% in malnourished women. Vitamin A might workbetter for this condition when taken with zinc.
Â· Eye disease affecting the retina (retinitis pigmentosa). Taking vitamin A can slow theprogression of an eye disease that causes damage to the retina.