Ralph Moss, PhD
See book keywords and concepts |  Because of beta-carotene's close association with vitamin a, it became the subject of intense scrutiny, with hundreds of scientific papers. For example, a big Westinghouse Electric study showed that men who smoked but had high levels of beta-carotene in their diet had a lower risk of lung cancer than other smokers. In fact, smokers with the highest beta-carotene intake had rates of lung cancer similar to nonsmokers!
In the 1980s, there were two major studies in which participants were given synthetic beta-carotene to see if it would prevent lung cancer. |
John Boik
See book keywords and concepts |  Over 30 patients with pancreatic cancer, treated solely with Wobe-Mugos and vitamin a, were still alive after 2 years. A number of these patients have survived at least five to nine years. Historically, the expected mean survival for patients with pancreatic cancer is seven months. If Wobe-Mugos is particularly effective in treating pancreatic cancer, it may be related to the en-teropancreatic recycling of proteolytic digestive enzymes (Beynon and Kay, 1976; Gotze and Rothman, 1975; Lei-bow and Rothman, 1975). |
Ralph Moss, PhD
See book keywords and concepts | | Unlike vitamin a, beta-carotene is very safe, even in high doses. I have found no studies showing that beta-carotene interferes with the actions of radiation or chemotherapy. Most studies report that it helps decrease the side effects of these treatments.
7. Other Carotenoids
Until recently, the controversy over beta-carotene obscured exciting developments using the lesser-known carotenoids against cancer. Most experiments have been done with them collectively, and in fact they are best studied (and taken) as a complex. | | In rabbits, heart muscle damage from Adriamycin was also lessened by giving them vitamin E (as well as vitamin a). (282) Many other laboratory studies revealed beneficial effects from adding vitamin E to Adriamycin treatment. (16, 101, 130, 141, 168, 190, 217, 284, 304, 305,314, 374, 406, 432, 433, 438, 456)
Overwhelmingly, such studies find that "vitamin E...enhances the growth inhibitor}' effects of Adriamycin...on a variety of cancer cells..." and "adds to tumor reduction and decreases metastasis. | | In 1995, a randomized clinical trial was carried out at the University of Bern, Switzerland, with a vitamin a analog called etretinate. The time between recurrences averaged 12.7 months in the placebo group but was extended to 20.3 months in the etretinate group. Consequently, the number of surgical operations that patients had to submit to was reduced in half in the etretinate group from an average of 2.1 to less than 1 per year. |
James A. Duke, Ph.D.
See book keywords and concepts |  Take vitamin a, for example. Most supplements contain A, plus beta-carotene and possibly one or two other carotenoids that are converted to A in the body. (Lycopene has become popular because research shows that it's especially good for preventing prostate cancer.) By comparison, plants contain some 600 carotenoids, which you won't find in any one supplement—or in any one food, for that matter. The best way to get a good mix of all 600 is to build your diet around a variety of plant foods.
Besides, there's something to be said for the way nature packages nutrients in plant foods. | | Vitamin A helps nourish the skin. One of the most concentrated sources of the nutrient is carrot oil. No wonder the oil is used in some cosmetics and sunscreens. It may not be easy to find, but if you can, apply it according to the label directions.
I don't grow carrots. They're so cheap at my local supermarket that I just buy them. I also have lots of wild carrot plants, also known as Queen Anne's lace, around my property. They're the same species as store-bought carrots.
Chamomile {Matricaria recutita). | | I'd suggest taking 25 milligrams of the vitamin a day, as a preventive.
Try the anti-stone herbs. In my Garden of Youth, I grow the following herbs, all of which help prevent and treat stones: corn silk, dandelion, quackgrass, and stoneroot.
Stone-Stopping Sipper
If you don't have any of the herbs mentioned below, you can substitute horsetail, stinging nettle, and parsley. These also have a reputation for preventing kidney stone formation. | | And they do contain impressive amounts of vitamin a and certain carotenoids, including beta-carotene, lutein, lycopene, and zeaxanthin.
Personally, I think carrots are great, and I munch them often. But tomatoes and leafv greens are. also well-endowed with carotenoids. e.s-
Dr. Duke's Anti-Aging
Elixir
Macula-Saving Salad
Treat your macula to this delicious mix of greens and veggies. It's rich in lutein, a carotenoid that helps prevent macular degeneration. It's also easy to make. |
Marcia Zimmerman, C.N.
See book keywords and concepts |  This recipe provides omega-6 and omega-3 oils, some vitamin E, natural vitamin a from the butter, beta carotene, fewer saturated fats, and no hydrogenated fats! Although butter is made from milk, it is less likely than milk to cause allergic reactions because it does not contain milk protein. Here is the recipe for it. | | It contains corn meal, whole wheat, modified corn starch, partially hydrogenated soybean oil, corn syrup, brown sugar syrup, salt, nonfat milk, baking soda, dextrose, cinnamon, trisodium phosphate, vitamin C (sodium ascorbate), zinc and iron, vitamin a (palmitate), and the B vitamins thiamine mononitrate (B,), riboflavin (B2), niacin, pyridoxine hydrochloride (B6), and folic acid. Listed after niacin is blue 1 lake, and BHT is added for freshness. | | The nutritional profile of brown rice milk is similar to that of vegetable juices, although it does not contain any vitamin a, vitamin C, or iron. It does, however, contain vitamin E, which vegetable juices do not, and it contains the same amount of calcium.
Sodas are beverages to avoid. They are made from sugar, artificial flavors, and phosphates, which interfere with the body's calcium uptake and many contain caffeine, which affects brain function. | | The up side is that soy milk does contain 20 percent of your child's daily requirement for vitamin a and one-third of his iron requirement. In addition, soy products contain a remarkable phyto-chemical that was shown to boost immune system activity in two recent studies published in Nutrition and Cancer. One way it does this is by increasing the number and bacteria/viral killing activity of macrophages and lymphocytes, two kinds of scavenging white blood cells. The other is by increasing a chemical released by the immune system, called inter-leukin, which orchestrates immune response. |
Gary Null
See book keywords and concepts |  Another way vitamin C works is that it has "a sparing effect on several other vitamins, including those of the B-complex group, vitamin a, and vitamin E," according to a report by Dr. Roberto'J. Moran of Vanderbilt University. Dr. Moran also found that vitamin C "enhances absorption of iron and inhibits absorption of copper from the digestive tract."3 Thus, by making certain that your daily intake of vitamin C is sufficient, you are insuring protection and maximum efficiency of other vital nutrients as well.
Vitamin C, then, acts as a producer and a protector of vital cellular functions. |
Ralph Moss, PhD
See book keywords and concepts | | In a now famous experiment, zinc supplements (given together with vitamin a) had a profound effect on the death rate from cancers of the esophagus and stomach, as well as cancers in general.
Some laboratory experiments have suggested that zinc has an anticancer role. For example, when scientists gave the carcinogenic mineral cadmium to rats, they developed cancer in their testes. But a lack of zinc in the diet increased the rate at which such cancer developed. NCI scientists concluded that "dietary zinc deficiency appears to cause a generalized increase in the chronic toxic effects of cadmium. |
Committee on Comparative Toxicity of Naturally Occurring Carcinogens
See book keywords and concepts |  By 1970, the possible anticarcinogenic activity of vitamin a was being explored, as were the modifying effects of fruit, fiber, dairy products, and certain vegetables.
In 1969, the International Union Against Cancer (UICC) convened a committee to address issues of cancer testing. The committee held a workshop that focused on the major testing methods and priorities for carcinogenicity testing. |
Gary Null
See book keywords and concepts | | Without lecithin, your body's efficiency in utilizing all of the fat-soluble vitamins would be seriously disturbed; you would actually derive 50 percent less vitamin a from foods such as eggs than you should. A similar type of reduction would occur in the case of vitamins E, D, and K49 and carotene, since they are oil-soluble, too.
Improves brain function. Can't remember where you put your glasses? Can't seem to remember names and phone numbers the way you used to? Massachusetts Institute of Technology researcher Dr. | | If the amount of estrogen you are getting from your medication is too high, you may also be creating abnormally high vitamin a levels in your blood.111
Atherosclerosis: Fact and Fiction
Fiction: A few glasses of milk each day probably increase your risk of heart disease. So do eggs.
Fact: Dairy products eaten in moderate amounts do not raise blood cholesterol levels dramatically in the healthy individual. | | There's vitamin a, so necessary to an abundance of all-over health.
And B, who isn't just one vitamin but a whole family that works to let you be at your best.
And C, a veritable army of protection for your cells, and the major constituent of collagen—your cellular cement.
Vitamin D, "Mr. Sunshine," who has a literally delightful effect on your bones and teeth.
There's energizing E, enormously effective for the enjoyment of life.
And K, a little-known but vital nutrient. |
Michael Lerner
See book keywords and concepts |  According to Greenwald, when the vitamin a was removed from the culture medium, "full expression of the malignant phenotype occurred."2 And with human promyelocytic leukemia cells, retinoids returned malignant cells to full differentiation with the shape and biochemical characteristics of a healthy granulocyte.3
Other retinoids have "consistently arrested malignant progression in three different rodent bladder cancer systems" and have inhibited the development of cancer in chemically induced breast and skin cancer models. | | He also cited evidence for decreased cancer risk related to physical activity via increased thermal effects, and increased concentrations of vitamin a."n
One very striking gap in the literature on exercise and cancer is that there are no studies that 1 have been able to find assessing the effect of exercise on an existing cancer—only cancer prevention. Indirect evidence, however, shows the benefits of physical activity for people with cancer. | | These include superoxide dismutase and catalase, peroxidases and thiols, vitamin a, vitamin C, and vitamin E and the micronutrient selenium [emphasis added]. These antioxidants serve to defend the cells against elevated levels of free radicals produced by radiation, chemical carcinogens and tumor promoters. The free radicals ... to varying degrees damage the cell.40
Borek summarizes the field as follows:
Free radicals are continuously produced by living cells. . . . Under optimal cellular metabolic conditions cellular antioxidants are sufficient to impart protection against oxidant stress. | | Bollag, "Vitamin A and the Retinoids: From Nutrition to Pharmacotherapy in Dermatology and Oncology," Lancet 8329(1 ):860-3 (1983).
13 Waun Ki Hong et al., "13-Gs-Retinoic Acid in the Treatment of Oral Leukoplakia," New England Journal of Medicine 315:1501-5 (1986).
14 William D. DeWys et al., "The Chemoprevention Program of the National Cancer Institute." In Frank L. Meyskens, Jr. and Kedar N. Prasad, Vitamins and Cancer: Human Cancer Prevention by Vitamins and Micronutrients (Clifton, NJ: Humana, 1986), 301-10.
15 Lawrence Kushi, personal communication with the author, July 1990. |
Nelson Foster and Linda S. Cordell
See book keywords and concepts |  Amaranth leaves, which are lance-like in shape and about two inches long, compare favorably to spinach in nutritive worth and are especially rich in calcium and vitamin a.
Yet large food companies that Robinson contacted turned a deaf ear to his idea. Finally, despairing of its acceptance, in 1972 he presented his data to Robert Rodale, the publisher of Organic Gardening magazine and a pioneer in promoting healthier ways of life for urbanized Americans. | | The grain has little vitamin a, but the edible leaf has it in abundance. In short, the quinoa plant can satisfy all of a person's basic nutritional needs.
Quinoa has the telltale properties of a long-cultivated plant, including an inability, under normal circumstances, to survive in the wild. Its seeds mature all at once and do not shatter, traits that make the grain easy to harvest and that native planters probably promoted by the selection and preservation of seed down through the centuries. |
Committee on Comparative Toxicity of Naturally Occurring Carcinogens
See book keywords and concepts | | Whatever the mechanism, it appears that the carotenoid precursors of vitamin a are responsible for at least some of its anticancer effects (Bendich and Olson 1989). Hypothesized mechanisms whereby carotenoids may inhibit cancer are diverse and include (1) inhibition of mutagenesis and protection against photo-damage, (2) enhancement of immune system responses, (3) reduction of nuclear damage by carcinogenic agents, (4) protection against neoplastic events in cells, and (5) the quenching of highly reactive singlet oxygen (Bendich and Olson 1989, Krinsky 1991). | | The most convincing evidence that vitamin a and its precursors, the carotenoids, prevent human cancer comes from prospective and retrospective epidemiologic studies associating low intakes of fruits and vegetables with elevated risk of cancer (Ziegler 1991). The data are particularly convincing with respect to lung cancer; however, studies also suggest that vegetable and fruit intake may reduce the risk of cancers at other sites (e.g., the oral cavity, pharynx, larynx, esophagus, colon, rectum, bladder, and cervix) (Ziegler 1991). |
Paul A. Offit, M.D.m Bonnie Fass-Offit, M.D. and Louis M. Bell, M.D.
See book keywords and concepts |  Remedies include antihistamines, decongestants, cough suppressants, zinc, vitamin C, echinacea, garlic, selenium, vitamin a, ginseng, chamomile, vitamin E, chicken soup, and prayer. In this chapter we will discuss several of these remedies to determine which, if any, help to relieve the miseries caused by viral infections.
Tom Sawyer, Huck Finn, and the Scientific Method
In Mark Twain's The Adventures of Tom Sawyer, Huck Finn is walking down the road with a dead cat flung over his shoulder.
106
Tom: "Say—what is dead cats good for?"
Huck: "Good for? Cure warts with. |
Committee on Comparative Toxicity of Naturally Occurring Carcinogens
See book keywords and concepts | | Studies of its ability to quench the superoxide anion indicate that vitamin E, like vitamin a, may contribute to protection of biological systems from singlet oxygen (Di Mascio et al. 1991). Interestingly, a-tocopherol, generally the most abundant tocopherol in the plasma, is also the most effective form of vitamin E in quenching singlet oxygen (Di Mascio et al. 1991). In addition, considerable evidence suggests that vitamin E may inhibit free radicals formed by mitochondria (Ames et al. 1993).
Folic Acid
Folic acid is found abundantly in vegetables and fruits. |
James A. Howenstine, MD
See book keywords and concepts |  Radiation destroys 80% of the vitamin a in eggs and 48% of the beta carotene in orange juice, but still is authorized by the FDA to be used in these foods.
The flavor, odor and texture of food is transformed. Pork become red; beef can smell like a wet dog and eggs can become colorless, runny and capable of ruining recipes. Whether protein after being injured by radiation will still be capable of functioning as building blocks for body protein is problematic. |
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