Dr Ron Roberts
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 Long-term use of laxatives, a diet excessively high in fibre, calcium or iron levels can also create a zinc deficiency,- white marks on the finger nails are a common sign of zinc deficiency.
Dairy products, liver, meat, chicken, fish, oysters, green leafy vegetables and wholemeal bread all contain zinc, although much is lost if food is processed.
Seaweed or kelp
Seaweed is a special food, for it contains a wide range of valuable minerals. Particularly high in calcium, iodine, zinc, potassium, magnesium and selenium, seaweed is also very rich in Vitamin C? |
Jonny Bowden, Ph.D., C.N.S.
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 Linus Pauling Institute of Oregon State University, estimates that zinc deficiency affects more than two billion people worldwide, about one-third of the entire planet. Liping Huang, a geneticist at the ARS Western Human Nutrition Research Center at Davis, California, notes that "mild zinc deficiency may exist in the United States among otherwise healthy infants, toddlers, preschool children, pregnant and lac-tating women, and seniors." Vegetarians who avoid meat and dairy are also at risk for mild zinc deficiencies. |
Dr Ron Roberts
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| Long-term use of laxatives, a diet excessively high in fibre, calcium or iron levels can also create a zinc deficiency,- white marks on the finger nails are a common sign of zinc deficiency.
Dairy products, liver, meat, chicken, fish, oysters, green leafy vegetables and wholemeal bread all contain zinc, although much is lost if food is processed.
Seaweed or kelp
Seaweed is a special food, for it contains a wide range of valuable minerals. Particularly high in calcium, iodine, zinc, potassium, magnesium and selenium, seaweed is also very rich in Vitamin C? |
Gabriel Cousens, M.D.
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 Symptoms of zinc deficiency include fatigue, along with increased rate of infections and injuries. Low zinc can cause dwarfism and delayed sexual development. Mothers with a zinc deficiency tend to have smaller babies and babies with smaller-than-normal brains. zinc deficiency has an association with different types of birth defects such as Down's syndrome, spina bifida, and clubbed feet. |
Michael T. Murray
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 Although severe zinc deficiency is very rare in developed countries, many individuals in the United States have marginal zinc deficiency—particularly the elderly as well as people with diabetes. Low zinc levels are associated with an increased susceptibility to infection, poor wound healing, a decreased sense of taste or smell, and skin disorders. zinc deficiency, like chromium deficiency, has also been suggested to play a role in the development of diabetes.36
Zinc is involved in virtually all aspects of insulin metabolism: synthesis, secretion, and utilization. |
Byron J. Richards, CCN
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 Animal studies show that marginal zinc deficiency can reduce testosterone formation by 40 percent, whereas serious zinc deficiency can reduce it by 60 percent. Furthermore, when male animals go through puberty with zinc deficiency, testosterone expression is depressed and a significant increase in feminizing characteristics takes the place of the proper male traits.515
Tribulus Terristrus is an herb that has been used for centuries in India to treat male sexual problems. |
Gary Null and Amy McDonald
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 Since reduced food intake results from zinc deficiency, the acquired zinc deficiency of eating disorder patients may act as a sustaining factor for their abnormal eating behavior. Hospitalized bulimics and anorexics were shown to be deficient in the mineral, and to benefit from supplementation.
Insomnia_
Scientific Evidence for a Fixed Extract Combination (Ze 91019) from Valerian and Hops Traditionally Used as a Sleep-inducing Aid. Brattstrom A. Wiener Medizinische Wochenschrift, 2007 July, 157(13-14):367-370. |
Byron J. Richards, CCN
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| Animal studies show that marginal zinc deficiency can reduce testosterone formation by 40 percent, whereas serious zinc deficiency can reduce it by 60 percent. Furthermore, when male animals go through puberty with zinc deficiency, testosterone expression is depressed and a significant increase in feminizing characteristics takes the place of the proper male traits.515
Tribulus Terristrus is an herb that has been used for centuries in India to treat male sexual problems. |
Gabriel Cousens, M.D.
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| Zinc deficiency can cause slow healing. zinc deficiency can come from high alcohol consumption. Vegetarians tend to run a little low on zinc but consumption of fruits, vegetables, and seeds in high quantities creates significant protection from zinc deficiency. About 60 percent of adults over age 60 are zinc-deficient.22
Good sources of zinc include poppy seeds, pumpkin seeds, pecans, cashews, pine nuts, macadamia nuts, sunflower seeds, sesame seeds, beets, and coconuts.
Cobalt
Cobalt is an element that is part of the Bi2 complex and many of the enzymes of the body are enhanced by cobalt. |
Mark Sircus
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 Systemic zinc deficiency can also affect the permeability of brain barriers. zinc deficiency significantly increases the permeability of the blood-brain barrier.
Noseworthy and Bray (2000)
The choroid plexus separates the CSF compartment from the systemic blood compartment and possesses numerous transporters for metals, metal-amino acid conjugates, and metal-protein complexes. There are many hundreds of different transporter types, each specialized for different substances. The integrity and function of the BBB is mission critical for overall brain function. |
by Michael Murray, N.D. and Joseph Pizzorno, N.D.
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| Zinc deficiency results in impaired functioning of these special senses, and night blindness is often due to a zinc deficiency. The loss of the sense of taste and/or smell is a common complaint in the elderly. Zinc supplementation has been shown to improve taste and/or smell acuity in some individuals.
Zinc may be critical to healthy male sex hormone and prostate function, as well. Male infertility may be caused by a decreased sperm count due to zinc deficiency, and zinc supplementation may increase sperm count and motility, particularly in men with low testosterone. |
Mark Sircus
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| Systemic zinc deficiency can also affect the permeability of brain barriers. zinc deficiency significantly increases the permeability of the blood-brain barrier.
Noseworthy and Bray (2000)
The choroid plexus separates the CSF compartment from the systemic blood compartment and possesses numerous transporters for metals, metal-amino acid conjugates, and metal-protein complexes. There are many hundreds of different transporter types, each specialized for different substances. The integrity and function of the BBB is mission critical for overall brain function. |
Jonny Bowden, Ph.D., C.N.S.
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 It's essential for a healthy immune system, which is adversely affected by even moderate degrees of zinc deficiency. (Men take note: Zinc is needed for the production of healthy sperm, which may be one indirect reason why high-zinc oysters got their reputation as an aphrodisiac!) Vitamin B12 is necessary to bring down homocysteine, a nasty metabolic compound that puts you at risk for heart disease and memory impairment. Vitamin B12 is most absorbable from animal foods; vegetarians—despite what they tell you—are most at risk for deficiency. |
Jack Challem
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 Not dreaming or not being able to remember your dreams is a sign of vitamin B6 deficiency, and white spots on the fingernails are a sign of zinc deficiency.
Dosage: Take 50 to 250 mg daily, plus a B-complex supplement. If you take more than 100 mg of vitamin B6 daily for longer than six months, ask your physician to measure both your vitamin B6 and your aspartate aminotransferase levels. The latter is an enzyme that depends on vitamin B6, and low levels indicate poor vitamin B6 activity. |
Mark Sircus
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| Epidemiologic studies suggest that zinc deficiency may be associated with increased risk of cancer.12 Zinc supplementation is associated with decreased oxidative stress and improved immune function, which may be among the possible mechanisms for its cancer preventive activity.
Zinc is essential for health. It is needed for the enzymes that regulate cell division, growth, wound healing, and proper functioning of the immune system. |
Jonny Bowden, Ph.D., C.N.S.
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| Zinc: The Missing Link for Superimmunity
Studies have shown that severe zinc deficiency significantly depresses immune function because zinc is needed for both the development and the activation of a very important class of white blood cells (lymphocytes) called T cells. When people with low zinc are given zinc supplements, their T-cell count goes up and they're better able to fight off disease.
There's a fair amount of research showing that malnourished children given zinc supplements have shorter courses of infectious diarrhea. |
Mark Sircus
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| For example, because zinc deficiency is well recognized as a complication of alcoholism, patients are often given high-dose zinc supplements. However, the administration of large amounts of zinc leads to an increase in the excretion of magnesium. The use of diuretic drugs to correct fluid and electrolyte problems and the prolonged administration of intravenous fluids that do not contain magnesium may also contribute to magnesium depletion in patients being treated for severe alcoholism. |
Andreas Moritz
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 Taking calcium tablets may weaken the bones by causing zinc deficiency. High dosed mineral supplements consisting of metallic minerals can block the absorption of other bio-usable minerals, which can upset the body's entire biochemical balance. Most of the metallic minerals are derived from oyster shell, limestone, soil, clay, calcium carbonate, and sea salts. In fact, taking metallic minerals can lead to serious mineral deficiencies.
It may be beneficial, on the other hand, to take extra ionic liquid minerals. |
Dr. Abram Hoffer, MD, FRCP (C) and Dr. Harold D. Foster, PhD
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 Less common causes include scurvy, hallucinogenic experiences (from LSD and mescaline), drug toxicities (such as atropine and amphetamines), copper excess, and zinc deficiency. Only schizophrenia caused by a lack of vitamin B-3 will be discussed here.
Clinical Evidence n his book Vitamin B-3 and Schizophrenia: Discovery, Recovery, Controversy, Dr Hoffer reviews the development of clinical research in this field, while in his book Healing Schizophrenia, he presents the case for using large doses of vitamin B-3 to treat acute and chronic schizophrenia. |
by Michael Murray, N.D. and Joseph Pizzorno, N.D.
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| Marginal zinc deficiency may be reflected by an increased susceptibility to infection, poor wound healing, a decreased sense of taste or smell, low sperm count, prostate enlargement, or skin disorders.
Adequate zinc levels are necessary for proper immune system function, and zinc deficiency results in an increased susceptibility to infection. Zinc appears to be vital for normal thymus gland functioning in the synthesis and secretion of thymic hormones, and in the protection of the thymus from cellular damage. |
Dr. Steve Blake
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 Clinical zinc deficiency was first reported in 1961, when it was discovered that certain children absorbed so little zinc that they failed to grow properly. Zinc plays important roles in growth and development, neurological function, the immune system, and in reproduction. Over 85 percent of the total body zinc is found in skeletal muscle and bone. Zinc found in blood plasma comprises only one-tenth of one percent of total body zinc.
Zinc and Enzymes
Zinc is needed for the activity of nearly 100 enzymes. Enzymes that use a metal ion such as zinc as a cofactor are called metalloenzymes. |
Michael Friedman, ND
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 In animal experiments, zinc deficiency, although having no impact on T4 concentrations, resulted in an approximately 30-percent decrease in levels of serum T3 and fT4. The activity of type 15'-deiodinase was also reduced by 67% in zinc-deficient animals.106 Inhibition of conversion of T4 to T3 was similarly demonstrated in an independent animal experiment.116
In humans, zinc supplementation reestablished normal thyroid function in hypothyroid disabled patients treated with anticonvulsants. In a study 9 of 13 subjects with low free T3 and normal T4 had mild to moderate zinc deficiency. |
Herbert Ross, DC with Keri Brenner, L.Ac.
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 Vegetarians may be more likely to have a zinc deficiency because beans, legumes, and grains—often the staples of a vegetarian diet—are high phy-tates, substances that inhibit absorption of zinc (and other minerals).53 Food sources: Zinc is commonly added to animal feed, making meat one of the best sources of this mineral. Oysters, shellfish, nuts and seeds are also good sources. In spite of reduced absorption due to phytates, whole grains are also a fairly good source. Supplements: Zinc sulfate, found in many multivitamin-multimineral preparations, is not easily absorbed by the body. |
Tori Hudson, N.D.
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 This may be especially important in elderly women due to their compromised zinc absorption, their possible marginal zinc status to begin with, and their high risk of osteoporosis. A zinc deficiency can result in skin changes, growth retardation, loss of appetite, changes in vision, decreased insulin function, dysfunction in prostaglandin synthesis, and immunologic abnormalities. |
Dr. Steve Blake
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| Signs of childhood zinc deficiency are:
(a) Increased susceptibility to infectious diarrhea.
(b) Increased susceptibility to infections.
(c) Failure to grow.
(d) All of the above.
5. The lowest content of dietary zinc is found in:
(a) Fruit.
(b) Legumes.
(c) Dairy products.
(d) Meats.
6. Phytates in grains and beans:
(a) Increase the bioavailability of zinc.
(b) Decrease the bioavailability of zinc.
(c) Do not affect the bioavailability of zinc.
(d) None of the above.
7. Zinc can enter the intestines from all of the following EXCEPT:
(a) Pancreatic juices. |
| Severe zinc deficiency:
(a) Is caused by insufficient dietary intake.
(b) Is rare.
(c) Cannot be caused by diarrhea.
(d) Is not caused by severe burns.
12. Which is the richest source of zinc?
(a) Fruits and vegetables.
(b) Beans.
(c) Oysters.
(d) Enriched white bread.
13. Zinc is bound in the intestines and in the liver by:
(a) Transferrin.
(b) Metallothionein.
(c) Ferrin.
(d) Hemosiderin.
14. The RDA for zinc for adult men is:
(a) (b) (c) (d)
11 mg. 11 meg. 1.1 mg. 1.1 meg.
15. Excess zinc:
(a) Can cause a copper deficiency. |
| Populations most susceptible to zinc deficiency include:
(a) Children and infants.
(b) Pregnant women.
(c) Alcoholics.
(d) All of the above.
89. Whole wheat flour has:
(a) Half as much zinc as enriched flour.
(b) The same amount of zinc as enriched flour.
(c) Four times as much zinc as enriched flour.
(d) Eight times as much zinc as enriched flour.
90. Zinc can return to the intestines in:
(a) Pancreatic juice.
(b) Bile.
(c) Insulin.
(d) Transferrin.
91. Iodine is needed by:
(a) The hypothalamus gland.
(b) The thyroid gland.
(c) The liver.
(d) The adrenal glands.
92. |
| Alcoholics are at increased risk of zinc deficiency both from impaired absorption and increased urinary losses. One-third to one-half of alcoholics have been found to have low zinc levels.
Keeping alcohol consumption to moderate levels will limit the health-depleting effects. Moderate levels are often defined as one drink per day for women and two drinks per day for men. Drinking alcoholic beverages with food and water can also reduce some of the deleterious effects. Special supplementation may be warranted for alcoholics who do not eat enough nutrients. |
Stacy Malkan
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 Biotin deficiency, zinc deficiency, magnesium deficiency are all problems. "Anytime you are deficient in micronutrients throughout life you're taking it out of DNA and aging faster and getting cancer."
Dr. Ames explained that black people are not getting enough sun in the US. All African Americans have Vitamin D deficiency and they consequently have higher rates of cancer. Slathering on sunscreen is not such a good idea. We've gone too far with sunscreen because we're not getting enough Vitamin D. This is a "coming public health disaster in the US. |
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