July 11, 2008, Newsletter Issue #124: Vitamin A and Eye Health
Tip of the Week
Vitamin A is important for eye health because deficiencies of vitamin A can lead to night blindness and eventual blindness if the deficiency continues long enough. If deficiencies continue, the eye's cornea will dry out and will eventually damage the retina and cornea to the point that blindness can occur. Vitamin A is stored in the liver, and deficiencies in the United States are rare, but are much more common in many third world countries, especially in children.
Vitamin A occurs naturally in many different types of meats and vegetables. Some of the best sources include beef and chicken liver, milk, cheese, eggs, carrots, and spinach. Too much vitamin A in the body can lead to health problems as well, so check with your doctor before you begin taking vitamin A supplements, they may not be necessary and they could lead to other symptoms like liver problems and osteoporosis.
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