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Vitamin A status involves eye health via two separate functions. Retinal is an essential factor in rod cells and cone cells in the retina responding to light exposure by sending nerve signals to the brain. An early sign of vitamin A deficiency is night blindness. [6] Vitamin A in the form of retinoic acid is essential to normal epithelial cell ...
Vitamin A supplementation of children under five who are at risk of VAD has been found to reduce all‐cause mortality by 12 to 24%. [29] Side effects of vitamin A supplements are rare. Vitamin A toxicity is a rare concern associated with high levels of vitamin A over prolonged periods of time.
"Older adults should be careful with vitamin A because it can potentially reduce bone density, as well as cause liver damage or joint pain, and symptoms like nausea, headache or diarrhea," Norman ...
Retinol, also called vitamin A 1, is a fat-soluble vitamin in the vitamin A family that is found in food and used as a dietary supplement. [3] Retinol or other forms of vitamin A are needed for vision, cellular development, maintenance of skin and mucous membranes , immune function and reproductive development. [ 3 ]
The researchers discovered that people who took vitamin D had a 40% lower risk of developing dementia than those who didn’t take a supplement. They also had a 15% higher five-year survival rate.
People who have had stomach surgery for weight loss, older adults, and people with gastrointestinal conditions like Crohn’s disease and celiac disease are also at risk for a B12 deficiency, she ...
Vitamin A toxicity is known to be an ancient phenomenon; fossilized skeletal remains of early humans suggest bone abnormalities may have been caused by hypervitaminosis A, [21] as observed in a fossilised leg bone of an individual of Homo erectus, which bears abnormalities similar to those observed in people suffering from an overdose of ...
New research suggests that supplementing with vitamin D may reduce the risk of heart attacks and other cardiovascular events. Scientists Reveal New Findings About Older Adults Who Take Vitamin D ...
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