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Vitamins are another essential requirement for health. There are about florty, known vitamins, lint the most generally referred to are A, B, C, D and E. Deficiency of Vitamin A, foundin carrots, rose -hips (玫瑰果), liver, etc., is alleged to affect the vision and the skin and reduce resistance to infection. Vitamin C, present in nearly all fruit, particularly oranges and other citrus fruit (柑橘属水果), has come to be regarded as particularly effective in the preventipn of cold and low energy states.
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There are a lot of ways to measure the effects of America’s after - the - fact health - care philosophy, but the most telling might be what epidemiologists call preventable deaths. Certainly, plenty of deaths due to illness are not preventable, but there are many other conditions that a decent health - care system should be able to detect and fix well before they become life - threatening. Most of the leading killers in the U. S. - including pneumonia, diabetes and stroke - fall into this category. According to a Common wealth Fund report issued this year, 101,000 deaths from 2002 to 2003 could have been avoided with access to timely and effective health care. This rate places the U. S. 19th -last -among industrialized nations. What is the best way to assess the effect of America’s after - the - fact health - care philosophy
In the two weeks leading up to my grandmother’s death from lung cancer last January - hree months shy of her 92nd birthday - she was transferred through four separate health - care facilities and six different beds. First, there was a hospice, where she was not allowed to receive more than just "respite" care. Next, she was moved to an assisted - living facility, where she fell, twice. After her second fall, she was strapped to a gumey and pulled along a bumpy sidewalk through a snowstorm to an awaiting ambulance. She was taken to the emergency room at New York’s Lenox Hill Hospital. Ten hours later, she was assigned to a bed. She stayed for three days before being transferred to another hospice, where she died minutes after she arrived. If my father hadn’t redirected the ambulance driver who took her from Lenox Hill to the second hospice, she would have died in the back of a van headed in the wrong direction. My grandmother died.
Since 2000, the number of college students dieting, vomiting, or taking laxatives to lose weight has jumped from about 28 to 38 percent, according to the American College Health Association’s annual surveys. Well - balanced caloric intake, with regular meals and physical activity - not dieting -is the best way to avoid obesity, says Kreipe, a professor at the University of Rochester Medical Center. That’s why, in his view, calorie information doesn’t benefit students. "Nutrition is not a simple thing that can be distilled (提炼) down into a label, "he says. "There’s a tendency for people to overinterpret what a specific number means. "
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