NUTR 1010 Lecture Notes - Lecture 22: Vitamin A Deficiency, Safflower, Nyctalopia
30 Nov 2016
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Vitamin a deficiency is a threat to health, sight, and lives of millions of children around the world. Can be caused by insufficient intake of vitamin a, fat (lack of fat/too much starch can inhibit efficient uptake of vitamin a), zinc, protein. If a person doesn"t get enough vitamin a . Xerophthalima greek word for dry eyes. Vitamin a deficiency kills hundreds of thousands of children every year in lower resources countries. Can happen in canada too (more to do with people who have issues with digestion after surgery or with alcoholism) Pain, nausea (neuro-receptors/neurotransmitters just going into overdrive) Liver and other organ damage (can cause death) Performed vitamin a can be toxic if taken in high amounts. Medications made from vita a (retin-a, accutane) can cause serious side effects. Ul is 2000 rae retinol activity equivalent (just over 3,000mg performed vitamin a) *do not. It"s possible to overdose from 10x the rda alone memorize*
