| Another nutritional factor in this problem may be vitamin a. A study showed that women with excessive menstrual bleeding, a common symptom with fibroids, had low levels of A, and that supplementation is effective in returning bleeding patterns to normal. Beta carotene sources include sweet potatoes, carrots, and romaine lettuce.
S. Lark, "Fending off Fibroids," Vegetarian Times 193 (September 1993): 100.
Supplements recommended for treating fibroids include B complex, E, and lipotropic factors.
C. Cabrera, "Holistic Treatment of Fibroids," Medical Herbalism 5, no. 3 (Fall 1993). | | Also, insufficient intake of vitamin a increases the risk, according to a case-control study.
T. Liu et al., "A Case Control Study of Nutritional Factors and Cervical Dysplasia," Cancer Epidemiol. Biomarkers Prev. 2, no., 6 (November-December 1993): 525-30.
Women who test positive for human papilloma virus type 16 are 5 times more likely to have cervical dysplasia if their folate is low.
C. D. Butterworth et al., "Folate Deficiency and Cervical Dysplasia," JAMA 367, no. 4 (January 22, 1992): 528-34. | | McKeown, "Diet High in Fruits and Vegetables Linked to Lower Breast Cancer Risk," Medical Tribune (July 9,1992): 14.
Low vitamin a is a risk factor for breast cancer. Supplementation with retinol and carotenoids offers a protective effect.
D. J. Hunter, "Antioxidant Micronutrients and Breast Cancer," Journal of the American College of Nutrition 11, no. 5 (October 1992): 633.
In a study of Chinese women with breast cancer, consumption of high amounts of red meat and animal protein was associated with an increased risk of the disease in premenopausal women. |
Leo Galland
See book keywords and concepts |  Antibiotic treatment of infections like gonorrhea and syphilis markedly reduces the rate at which HIV is spread in rural Africa.32 vitamin a deficiency, a common problem in Africa that contributes to the high mortality from childhood measles, also increases the risk that a pregnant woman will transmit her HIV infection to her newborn child.33 Infection with amoebic parasites causes immune defects and can stimulate the growth of HIV in T-helper cells.34 The epidemic of AIDS that swept through the gay communities of North America was preceded by an epidemic of parasitic infection. |
Dr. Gary Null
See book keywords and concepts |  Antacids, calcium, and zinc interfere with iron absorption and should be taken separately; however, ascorbic acid and vitamin a both reduce anemia when taken together with iron.
Caution must be taken with iron supplementation; an excess has been linked to cancer and to liver, heart, and pancreas damage. (See below.)
IN GENERAL
Anemia may be due to iron deficiency (the most common cause), to B12 deficiency (usually due to an absorption problem rather than a dietary lack), or to folic acid deficiency, which can be a problem because the body does not store large amounts of this nutrient. |
Leo Galland
See book keywords and concepts | | Dietary antioxidants include vitamin E, vitamin C, vitamin a, carotene and related carotenoids, bioflavonoids, and the minerals selenium, manganese, copper, zinc, and sulfur (which is usually consumed as part of protein). Some antioxidants inhibit free radical-induced damage directly by quenching the sparks, in essence sacrificing themselves. Other antioxidants inhibit free radicals indirectly, by activating enzymes that convert free radicals to less destructive compounds. |
Lita Lee, Lisa Turner and Burton Goldberg
See book keywords and concepts |  When thyroid hormone and/or vitamin a are deficient, the body cannot convert cholesterol into the hormone progesterone. Likewise, without sufficient cholesterol, conversion cannot occur. By inhibiting both estrogen and testosterone, progesterone helps prevent and cure acne.
For information on the enzymes for this health condition, see Appendix B. it you iacK ine necessary enzymes, toou parucies pass as undigested clusters into the blood. The body's immune system identifies these strange particles as foreign matter called antigens and creates an antibody as a defense. | | Unfortunately, most acne sufferers use synthetic forms of vitamin a including Retin-A (topical) and Accutane (oral). According to the Physicians' Desk Reference, Accutane is known to cause birth defects and has been associated with a number of severe reactions, including inflammatory bowel disease, decreased night vision, corneal opacities, and clinical hepatitis.
PSORIASIS
Psoriasis is characterized by excessive cell replication. In the affected areas, cells reproduce at 1,000 times the normal rate, exceeding even the rate in skin cancer. | | F—much lower than the normal cooking temperature for preparing soups
Pregnenolone is a hormone which the brain and adrenal cortex synthesize from low-density lipoprotein (LDL) cholesterol in the presence of thyroid hormone and other nutrients, including vitamin a. Pregnenolone production slows down after age as; by age 75. the body produces 60% less pregnenolone than it did during youth. Since pregnenolone converts to progesterone and DHEA, its effects will parallel these hormones. | | These vegetables appear to have anticancer value beyond their vitamin a and C content, containing substances which may inhibit cancer cell growth. Cruciferous vegetables should always be steamed because they contain thyroid inhibitors which are destroyed in cooking.13
?Vegetables and fruits containing beta carotene: dark-green leafy vegetables, broccoli, spinach, kale, Swiss chard, chicory, escarole, watercress, collard greens, mustard greens, dark-yellow and orange vegetables, carrots, sweet potatoes, yams, pumpkins, winter squash, cantaloupe, apricots, peaches, papayas, and watermelon. | | Foods containing abscisic acid: a component of vitamin a that stops cancer cells from multiplying, according to cancer researcher Virginia Livingston, M.D. These include grasses (green kamut, wheat grass juice, etc.), pea shoots, lima beans, potatoes, yams, sweet potatoes, asparagus, tomatoes, onions, spinach, grapes, avocados, pears, i997-tsBNPlb887299- oranges' apples, and green leafy vegetables.
For information on Dr. | | In many women, the declining levels of progesterone which occur with aging (after about age 35) are accelerated by hypothyroidism, since the production of progesterone from cholesterol is dependent on adequate thyroid function (plus vitamin a and certain enzymes). Estrogen replacement therapy (ERT; also called hormone replacement therapy, or HRT) will actually worsen the situation. In fact, it is difficult to remediate the condition without adequate thyroid therapy, even if progesterone is used. |
Barrie R Cassileth, Ph.D.
See book keywords and concepts |  The body stores vitamin a for lengthy time; excess can cause problems. History: First vitamin discovered.
DRDA for Adults: 200 IU or 5 meg (micrograms). RDA for Children, Adolescents, Pregnant Women: 400 IU (10 meg). (cholecalciferol, Purpose: Helps body absorb calcium and phosphorus; builds teeth and ergocalciferol) bones; helps muscle and nerve function; may keep osteoarthritis in check.
Source: Sunlight, fortified dairy products, organ meats, tuna, fish oil, egg yolks.
Signs of Deficiency: Rickets in children, soft bones, osteoporosis. | | As of the late 1990s, antioxidants—vitamins C, E, and beta carotene (which the body converts to vitamin a) ?starred as some of the most popular supplements. They were thought to provide protection against heart disease and cancer, and were widely available at health-food stores and pharmacies. The antioxidant story is a good example of why large and thorough studies are necessary before we really know if something works. |
Leo Galland
See book keywords and concepts | | They do not serve as precursors of vitamin a, yet their consumption, along with beta-carotene in food, may explain why carotene-rich foods decrease the risk of cancer. The "other" carotenoids exert significant antioxidant effects of their own.781 do not recommend nutritional supplements containing beta-carotene to my patients. Instead, I recommend a diet high in mixed carotenoids, which includes many different varieties of fruits and vegetables: carrots, broccoli, spinach, tomatoes, winter squash, and papaya. | | The specific nutrients with the most profound effects on immune function are EFAs, protein, zinc, vitamin a, vitamin B6, folic acid, and iron. Among the healthy elderly, immune-boosting benefits have been demonstrated for antioxidants like zinc, selenium, vitamin E, and beta-carotene.67
As I stated in Chapter Eight, I don't recommend beta-carotene supplements to my patients because beta-carotene is readily available from fruits and vegetables, mixed with other beneficial antioxidants like the carotenoids and bioflavonoids. | | Deficiencies of folic acid, vitamin a, vitamin B6, iron, magnesium, and selenium were quite common. When I reviewed data from studies of nutrient intake among U.S. adults, I realized that a large fraction of the population fails to consume the recommended daily allowances of these nutrients.
The most important nutritional deficiency I encountered was not readily measured in the laboratory. It was a deficiency of essential fatty acids, or EFAs. |
Elaine Feuer
See book keywords and concepts |  A University of Toronto study reported on a control group with bladder cancer that took high daily doses of vitamin a (40,000 US), B6 (100 mg), C (2,000 mg) and E (400 IU): They had 40 percent fewer tumors and lived twice as long as the control group that didn't take vitamins. Researchers at UCLA recently analyzed a ten-year federal health survey, reporting that low Vitamin C intake was a strong predictor of death from heart disease: Men who consumed 300 milligrams daily (five times the RDA) suffered 40 percent fewer deaths than those consuming 50 milligrams. |
Dr. Gary Null
See book keywords and concepts | | Steven Rachlin, an internist in Syosset, Long Island, has his cancer patients follow this daily protocol:
Emulsified vitamin a (up to 50,000 IU)
Beta carotene (up to 100 mg)
Bl (400 mg)
B6 (500 mg)
Folic acid (3,200 meg)
Vitamin C (up to 5 g)
Coenzyme Q10 (270 mg)
Flaxseed oil (1 tbsp)
Cat's claw (1800 mg)
Melatonin (up to 10 mg)
Shark cartilage (1 mg per kg of patient's weight)
Pycnogenol (150 mg)
Essiac (several ounces)
Pancreatic digestive enzymes (up to 40 g)
Aloe vera juice (9-12 ounces)
MINERALS. Dr. |
Bradley J. Willcox, D. Craig Willcox, and Makoto Suzuki
See book keywords and concepts |  Shiso, or Perilla
(Perilla frutescens)
Benefit: Shiso is very high in vitamin A; at about 8,700 IU per 100 grams, it surpasses the widely acclaimed herb parsley at 7,500 IU per 100 grams.80 With a refreshing flavor somewhere between mint and basil, it is used in traditional medicine to treat fever, headache, and hair loss.
How to use: This leaf complements any dish that uses basil, such as grilled fish, casseroles, soups, and pastas.
Availability: Shiso is commonly available at Asian food stores. If not, you can substitute basil leaves. |
Mary G. Enig
See book keywords and concepts |  Riepma, wrote in 1970 that "a completely adequate definition, however, should take the following into account: Margarine is a flavored food that is 80 percent fat, made by blending selected oils and fats with other ingredients, and usually fortified with vitamin a, to provide a spread and cooking fat that serves the purpose of butter but is different in composition and certain characteristics." (his italics) Margarine is usually thought of as being made with partially hydrogenated vegetable oils, and thus a source of trans fatty acids. |
Dr. Vern Cherewatenko and Paul Perry
See book keywords and concepts |  Converted as needed to make vitamin a. Good sources of this vitamin include spinach, collard greens, broccoli, carrots, peppers, sweet potatoes, apricots, and peaches. Through its antioxidant action, beta-carotene protects cells from free radical damage.
RDAs: Men—6,000 micrograms. Women—4,800 micrograms.
Thiamin—energy vitamin. Essential for people with diabetes, who may experience nerve damage as a complication for their disease. | | Essential for vision and a strong immune system, vitamin a also helps build and maintain strong bones. Found in liver, fish liver oils, whole and fortified milk, and eggs, this vitamin can be synthesized from carotenoids, naturally occurring in orange fruits and some vegetables.
RDAs: Men—1,000 micrograms. Women—800 micrograms.
Possible negative effects of higher than recommended intake: Liver damage, as well as headache, vomiting, blurred vision, hair loss, flaking skin, bone and muscle pain, spontaneous abortion, and birth defects.
Beta-carotene—antioxidant. | | For instance, vitamin a is necessary for good vision, though too much can damage your liver. Taking large amounts of zinc because you heard it can augment your immunity could put you at risk for a copper deficiency.
The Food and Nutrition Board sets the recommended dietary allowances (RDAs) of vitamins and minerals. RDAs are guidelines for safe and adequate levels of nutrition, not optimal or even minimal requirements. That leaves room for individual need based on age, lifestyle, and health. |
Judith J. Wurtman and Susan Suffes
See book keywords and concepts |  One carrot, for example, can satisfy your vitamin a need (in the form of beta-carotene) for a day. An entire head of iceberg lettuce provides only minor amounts of vitamins and minerals. Green and orange vegetables pack the biggest nutritional punch, with purple (beets and eggplant) and red (tomatoes) following. Dark green leafy vegetables, such as spinach or kale, are rich in folic acid; winter squash is high in beta-carotene. Pale-colored vegetables (like cucumbers and zucchini and other summer squashes, mushrooms, iceberg lettuce) tend to be full of water and not too much else. |
Andrew L. Stoll
See book keywords and concepts |  Cod liver and other fish liver oils should be avoided as the source of omega-3 fatty acids, because fish liver oil contains toxic amounts of vitamin a at higher dosages.
• Presence of tocopherols (vitamin E) in the encapsulated oil as antioxidants.
Very small amounts of vitamin E (< 5 IU) can help prevent oxidation and preserve potency and freshness of the fish oil product. and other ingredients based on the recommended daily serving size. Recommended serving sizes can range from one brand recommending 2 capsules per day to another brand recommending 15 capsules per day. | | Most fish oil sold as dietary supplements comes from the muscles of the fish, which have much lower vitamin a levels than the liver. I advise not using cod liver oil or the oil from any other fish liver as a source of omega-3 fatty acids.
Impaired Platelet Function
Platelets are in the bloodstream to help with blood clotting if an injury occurs. At the site of tissue injury, chemicals of the inflammatory process are released, which cause the platelets to clump together and start the process of wound healing. |
Dr. Julian Whitaker
See book keywords and concepts | | Because vitamin a is fat-soluble and can build up in the tissues, do not take over 10,000 international units without consulting your physician.) Also, add 15,000 international units of beta-carotene to your supplement program.
Coenzyme Q10
Slow, sluggish, lethargic, dull—this is how you feel when you're tired and your energy level is low. This same state could describe what happens at the cellular level when your mitochondria, the powerhouses that fuel each of your cells, do not produce adequate energy. The result is a general slowdown in the cells and decrease in optimal function. | | Substance, such as vitamin a, C, or E, or the mineral selenium, that helps protect cells by neutralizing toxic free radicals.
APOE4. Variant form of a gene that is used to make the protein apolipoprotein E. It occurs more often in people with Alzheimer's disease than in the general population.
Apolipoprotein E. Lipoprotein (fat and protein compound) that carries cholesterol in the blood and appears to play some role in the brain.
Arachidonic acid (AA). Omega-6 essential fatty acid that is a structural component of brain cells. | | Leafy green vegetables contain lots of vitamin a. Sweet potatoes, squash, and other yellow-
I've monitored thousands of patients on various diets. As a medical doctor, I've seen firsthand the powerful effects of food on the human body.
I want to tell you about the diet I recommend for the bulk of my patients. Of course, I make individual allowances for those with allergies, digestive problems, and even personal food preferences. Furthermore, variations in terms of portion size are an absolute must if excess weight is a factor. |
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