I copies this from a previous post by Veggie Sue. The one cup bean restriction is for everyone. People with kidney disease should limit or completely restrict beans every more:
In The McDougall Program for a Healthy Heart he says: "However, you should limit your beans, peas, and lentils to one cup a day, on the average, to protect yourself from any adverse effects of too much protein and the possible loss of calcium from your bones."
In one of his earlier books, The McDougall Plan (which a lot of people
consider to be the best of his books) he says: "Vegetable products are usualy lower in protein content than are animal products. The most important exceptions are the legumes, which include beans, peas, and lentils. These foods can be consumed easily in amounts large enough to yield a diet containing excessive protein. If you are in good health, legumes should be used in no more than one meal per day. The amount should not exceed one cup of cooked legumes per meal."
From The New McDougall Cookbook: "In general, consumption of legumes should be limited to one cooked cupful a day. Some sensitive people may have to restrict their intake even further and take stricter measures to avoid excess protein."
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Also
http://www.nealhendrickson.com/mcdougal ... rotein.htm
March 2003
Vol. 2 No. 3
Restrict Protein - Save Your Kidneys
"The diet I recommend is centered on starchy vegetables, like rice, corn, potatoes, sweet potatoes, breads, and pastas. The protein content of these foods is ideal as designed by nature through eons of evolution - about 6% to 14% of the calories. Another advantage of the foods I recommend is they are made of vegetable proteins which are much less troublesome for the kidneys to process than are proteins derived from animal foods. There are some higher-protein, starchy vegetable foods classified as legumes (beans, peas, and lentils) - these are about 28% protein. In general, I recommend that a healthy person limit these to, on average, one cup of cooked legumes a day (for example, one day you may have three cups and none for the next two ways). People with loss of kidney function must restrict these legumes even more. Most green and yellow vegetables are high in protein, but the absolute amount of protein consumed from these low calorie foods is so small that the proteins in these vegetables are rarely of any consequence. Fruits are low in protein."
Kate