Introduction If current nutrient trends continue, one out of every five Americans will be over the age of 65 by the year 2025. This projected aging increase an interest in American people for defining the nutrients for older people. Recent research shows that many essential nutrients needs for the older people.
Vitamins B6 is a problem nutrients for many Americans The absorption and use of vitamin B6 is decreases in older people. Vitamin B6 is a problem nutrient for many Americans especially for older people. Many older Americans get less than 50% of the RDA in their diet.
Lack of vitamins B12 causes atrophic gastritis Vitamin B12 is a prevalent shortage in older people. Many older peoples develop atrophic gastritis; this is because of decrease Hcl secretion in the stomach. The decreased production of intrinsic can also leads to poor absorption of vitamin B12.
Recent research has suggested the nutrition's for older adults The recent studies show the increased blood levels of the amino acids homocysteine. Maybe a risk for atherosclerosis. The metabolism of homocysteine to methioine and cysteine needed folic acid, vitamin B12 and B6.
Vitamin D can be a problem as well In older peoples they lack vitamins D because they do not spend much time in the sunlight. To convert both dehydro-cholesterol to vitamin D in the skin and 25- (OH) to 1,25- (OH) 2 in the kidney decrease with age. The lack of 1,25- (OH) 2 vitamin D leads to negative calcium balance. This may contribute to osteoporosis.
Some evidence for increase need for chromium and zinc as well Chromium is not rich in the American diet and mainly older peoples have difficultly to converting dietary chromium to the biologically active chromadullin. The chromium lack leads to diabetes. An older people consumes one-half RDA for zinc. Astrophic gastritis can also interfere with zinc absorption. Symptoms of zinc lack include dermatitis, loss of taste and weaken immune.
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