Dr. John's Health Matters
Welcome to Dr. John's Health Matters blog.
The articles posted here are from various sources who are duly acknowledged. I would appreciate being immediately notified, if any copywritten material needs to be removed. This blog is not intended to replace the qualified advice of a licensed health practitioner. Readers should exercise their own judgment. Enjoy, subscribe, participate and tell others :)
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Tuesday, Sep 1st, 2009 ↓Antioxidants Not Associated With Increased Melanoma Risk →
Sept 1. 2009 (Sciencedaily.com)—Antioxidant supplements do not appear to be associated with an increased risk of melanoma, according to a new report.
A recent randomized trial of antioxidants for cancer prevention found that daily supplementation with nutritionally appropriate doses of vitamins C and E, beta carotene, selenium and zinc appeared to increase the risk of melanoma in women four-fold, according to background information in the article. Because an estimated 48 percent to 55 percent of U.S. adults use vitamin or mineral supplements regularly, the potential harmful effects of these nutrients is alarming, the authors note.
Maryam M. Asgari, M.D., M.P.H., of Kaiser Permanente Northern California, Oakland, and colleagues examined the association between antioxidants and melanoma among 69,671 women and men who were participating in the Vitamins and Lifestyle (VITAL) study, designed to examine supplement use and cancer risk. At the beginning of the study, between 2000 and 2002, participants completed a 24-page questionnaire about lifestyle factors, health history, diet, supplement use and other cancer risk factors.
Intake of multivitamins and supplements during the previous 10 years, including selenium and beta carotene, was not associated with melanoma risk in either women or men. The researchers also examined the risk of melanoma associated with long-term use of supplemental beta carotene and selenium at doses comparable to the previous study and found no association.
“Consistent with the present results, case-control studies examining serologic [blood] levels of beta carotene, vitamin E and selenium did not find any association with subsequent risk of melanoma,” the authors write. “Moreover, the Nurses’ Health Study reported no association between intake of vitamins A, C and E and melanoma risk in 162,000 women during more than 1.6 million person-years of follow-up.”
For full article, see link above.
Tags: antioxidant supplement vitamin mineral C e beta carotene selenium zinc cancer risk nutrient melanoma lifestyle multivitamin
Omega-3, vitamin E mix shows potential for autistic speech →
Aug 19, 2009 (Nutraingredients.com)—A combination of omega-3 fatty acids and vitamin E may lead to speech improvements in autistic children with verbal disorders, suggests a new study.
Verbal apraxia is a speech disorder common in autism, and an estimated 50 per cent of children with autism have apraxia. Furthermore, many thousands more are reported to have apraxia but are not autistic.
According to new research published in the journal Alternative Therapies in Health and Medicine, daily supplements of omega-3 and vitamin E were associated with improvements in speech, imitation, eye contact, and behaviour.
Claudia Morris from the Children’s Hospital and Research Center Oakland (CHRCO) and Marilyn Agin from the Saint Vincent Medical Center in New York recruited families with experiences of omega-3 fatty acid and vitamin E supplementation. The majority of families used doses of 800 IU of vitamin E, while the average omega-3 consumption was 280 to 840 mg DHA and 695 to 2,085mg EPA.
The ratios and dosages determined through the work with the study led to a patent for Dr Morris through the CHRCO (US patent # 2008/002216). The patented formulation is licensed exclusively to Illinois-based NourishLife from CHRCO.
Kate Bolton, VP of speech nutrients at NourishLife, told NutraIngredients: “The results of the study are significant in that 97 per cent of the participants with apraxia and/or on the autism spectrum reported dramatic improvements while taking a combination of omega-3 fatty acids and vitamin E.
“The study represents the largest summary of children with apraxia to date,” she added.
“Antidotal evidence had previously shown that omega-3 can help children with apraxia and those known as ‘late talkers’. The researchers discovered that they symptoms presented by children with apraxia mirror those of vitamin E deficiency,” said Bolton. “The addition of high dose vitamin E with omega-3 fatty acids is the breakthrough.”
For full article see link above.
Tags: vitamin e omega 3 fatty acid speech improvement autistic children child kid verbal disorder apraxia imitation eye contact behaviour supplement
Irish Moss is a Revitalizing Super Food →
July 21, 2009 (Naturalnews.com)—Irish moss is not moss at all. It is in fact seaweed that grows along the rocky coast lines of the Atlantic Ocean. It is especially found in Ireland where it has a long history in Irish folklore as a good luck charm to be taken on long journeys, or to be placed under the rug at home to bring money and prosperity to the household. Irish moss was also used as stuffing for mattresses and cattle feed, but in the 19th century the people of Ireland underwent a horrific famine and Irish moss became one of the main sources of food and nutrition. More recently, Irish moss is becoming known as a healing and exciting super food.
Irish moss is now thought to contain 15 of the 18 essential elements that make up the human body. This includes great amounts calcium, iodine, sulphur, and potassium as well as Vitamins A, D, E, F and K. This is why this most amazing seaweed is thought to be able to cure everything from bladder disorders, bronchitis, halitosis (bad breath), intestinal disorders and glandular problems to swollen joints, lung difficulties, thyroid conditions, tuberculosis, tumors, and ulcers. Recent studies have found that Irish moss does in fact have some great anti-viral properties and can help fight the Influenza B and mumps viruses.
For full article see link above.
Tags: a antioxidant bladder breath bronchitis d e f haliosis healing immunity influenza k lung mumps prevention skin thyroid tuberculosis tumor ulcer vitamin supplement nutrition
Multivitamins may lower heart disease death risk →
July 20, 2009 (nutraingredients.com)—Long-term regular consumption of a multivitamin may reduce the risk of dying from heart disease by 16 per cent, according to a new study from the US.
Intakes of vitamin E over 215 milligrams per day over the course of ten years were also associated with a 28 per cent reduction in the risk of death from cardiovascular disease, according to findings published in the American Journal of Epidemiology.
The news supports the use of multivitamins and particularly vitamin E, much-maligned and linked to increased risk of ‘all-cause mortality’ in a controversial meta-analysis in the Annals of Internal Medicine in 2004.
The new study, led by Gaia Pocobelli from Fred Hutchinson Cancer Research Center at the University of Washington, also contradicts conclusions from a controversial meta-analysis published originally in the Journal of the American Medical Association (2007, Vol. 297, pp. 842-857). The meta-analysis reported that supplements of vitamins A and E, and beta-carotene may increase mortality risk by up to 16 per cent. On the other hand, vitamin C did not have an effect on mortality.
In terms of other causes of death, Pocobelli report that multivitamins did not decrease the risk of either total mortality, or cancer mortality. On the other hand, vitamins C and E were associated with small decreases in risk of total mortality.
For full article see link above.
Vitamins C, E, and Beta-Carotene Not Linked to Risk for Type 2 Diabetes →
June 19, 2009 (Medscape.com)— Intake of vitamins C and E and beta-carotene is not linked to the risk for type 2 diabetes in women at high risk for cardiovascular disease, according to the results of a large, randomized, double-blind, placebo-controlled trial reported in the June 2 Online First issue of the American Journal of Clinical Nutrition.
“Vitamin C, vitamin E, and β-carotene are major antioxidants and as such may protect against the development of type 2 diabetes via reduction of oxidative stress,” write Yiqing Song, from Harvard Medical School in Boston, Massachusetts, and colleagues. “Evidence from basic research and observational studies has suggested that oxidative stress elicits systemic inflammation, promotes endothelial dysfunction, impairs pancreatic β cell insulin secretion, and interferes with glucose disposal in peripheral tissues, thereby accelerating the development and progression of type 2 diabetes.”
For full article see link above.
Tags: vitamin C E carotene antioxidant supplement nutrition insulin diabetes 2 women cardiovascular heart disease
Antioxidants plus exercise may boost bones in older women →
June 19, 2009 (nutraingredients.com)—A combination of antioxidant supplements and resistance training may protect against bone loss in postmenopausal women, suggests a new study from Canada.
Women receiving a combination of vitamins C and E, and exercise did not experience any bone loss during a six-month period, while women receiving placebo did experience detrimental bone loss, according to findings published in Osteoporosis International.
“These results are interesting because this is the first study to examine the combination of these interventions in healthy elderly women suggesting another effective strategy to delay age-related BMD loss,” wrote the researchers, led by Isabelle Dionne, PhD, from the University of Sherbrooke.
For full article see link above.
Tags: antioxidant vitamin C E postmenopausal women exercise strength bone osteoporosis fracture
Diet May Reduce Risk Of Prostate Cancer →
June 4, 2009 (ScienceDaily.com) — A new review published in the Journal of Human Nutrition and Dietetics assessed whether certain modifications in diet have a beneficial effect on the prevention of prostate cancer. Results suggest that a diet low in fat and red meat and high in fruits and vegetables is beneficial in preventing and treating prostate cancer.
Robert W.-L. Ma and K. Chapman conducted an evidence-based review of dietary recommendations in the prevention of prostate cancer as well as in the management of patients with prostate cancer. The researchers found that a diet low in fat, high in vegetables and fruit, and avoiding high energy intake, excessive meat, and excessive dairy products and calcium intake may be helpful in preventing prostate cancer, and for patients diagnosed with prostate cancer.
Specifically, consumption of tomatoes, cauliflower, broccoli, green tea, and vitamins including Vitamin E and selenium seemed to propose a decreased risk of prostate cancer. Consumption of highly processed or charcoaled meats, dairy products, and fats seemed to be correlated with prostate cancer. “Although not conclusive, results suggest that general dietary modification has a beneficial effect on the prevention of prostate cancer,” the authors conclude. “In patients with prostate cancer, dietary therapy allows patients to be an active participant in their treatment.”
For full article see above link.
Antioxidant vitamins may protect against female cancer →
June 4 09 (Nutraingredients.com)—Increased intakes of vitamins C and E and beta-carotene may reduce the risk of cancer of the uterus, according to a new review and meta-analysis of the science to date. Writing in Cancer Causes and Control, US scientists report that for every 1,000 microgram increase per 1,000 kcal of diet of beta-carotene was associated with a 12 per cent reduction in the risk of endometrial cancer. Similarly, for every 50 milligram increase per 1,000 kcal of vitamin C the risk of endometrial cancer was reduced by 15 per cent, and for every 5 milligram increase per 1,000 kcal of vitamin E the risk of endometrial cancer was reduced by 9 per cent.
For full article see link above.
Vitamin E may reverse male pattern baldness: Study →
Apr 28 09 (Nutraingredients.com) — Daily supplements of a patented tocotrienol (vitamin E) complex may increase hair growth in people with male pattern baldness by 42 per cent, suggests a new study from Carotech. The eight month randomized, placebo-controlled trial involved 28 volunteers with androgenetic alopecia (male pattern baldness), and was performed at the School of Pharmaceutical Sciences at the University of Science Malaysia. “This is the first ever study to report such benefits for tocotrienols,” Dr Sharon Ling, regional sales manager for Carotech, told NutraIngredients.com. Dr Ling will present the findings at next week’s Vitafoods International Conference in Geneva. The study findings have yet to be submitted for publication in a peer-review journal due to some of the finer points of patent law, said Dr Ling. NutraIngredients.com has not seen the full data.
Natural Vitamin E Slashes Lung Cancer Risk by 55 Percent →
May 11 09 (NaturalNews) A higher intake of vitamin E can cut the risk of lung cancer by more than half, researchers from the University of Texas M.D. Anderson Cancer Center has found.
In a new study published in the International Journal of Cancer, researchers used the National Cancer Institute’s Health Habits and History Questionnaire and Food Frequency Questionnaire to assess the dietary intakes of 1,088 lung cancer patients and 1,414 healthy participants. Participants were further surveyed about various lifestyle factors, including smoking.
For full article, see link above.
Vitamin-exercise study questioned →
May 12 09 (NutraIngredients.com) — Reports that vitamins C and E may blunt the positive effects of exercise are misleading, according to an antioxidant expert.
German researchers have reported that antioxidant vitamins C and E may blunt the positive effects of exercise, with respect to insulin sensitivity. Findings were published in the Proceedings of the National Academy of Sciences.
Reacting to the study , Alexander Schauss, PhD, from AIBMR Life Sciences, a nutraceutical products consultancy, told NutraIngredients.com that the title of the study (Antioxidants prevent health-promoting effects of physical exercise in humans) was misleading.
“The primary objective of this study was to study the effect of a 4-week intensive 5-days a week exercise program on insulin sensitivity. Yet the title of the paper leads one to believe otherwise,” he said.
“This is a small gender-biased study of 40 male subjects, 25 to 35 years of age. When I read through the study for the first time I had to wonder how could the authors have come up with such a title for their paper?” he asked.
For full article, see link above.
Vitamin E may reverse male pattern baldness: Study →
Apr 28 09 (NutraIngredients-usa.com) — Daily supplements of a patented tocotrienol (vitamin E) complex may increase hair growth in people with male pattern baldness by 42 per cent, suggests a new study from Carotech.
The eight month randomized, placebo-controlled trial involved 28 volunteers with androgenetic alopecia (male pattern baldness), and was performed at the School of Pharmaceutical Sciences at the University of Science Malaysia.
“This is the first ever study to report such benefits for tocotrienols,” Dr Sharon Ling, regional sales manager for Carotech, told NutraIngredients.com. Dr Ling will present the findings at next week’s Vitafoods International Conference in Geneva.
For full article, see link above.
Chemists Shed Light on the Health Benefits of Garlic →
Feb 26 09 (Mercola.com) — It has long been believed that the organic compound allicin, which gives garlic its characteristic aroma and flavor, acts as the world’s most powerful antioxidant. But until now it hasn’t been clear how allicin works, or how it compares to more common antioxidants such as vitamin E and coenzyme Q10.
A research team investigated whether allicin could be as effective as claimed. Through experiments with synthetically produced allicin, they found that sulfenic acid produced when the compound decomposes rapidly reacts with dangerous free radicals.
Researchers said that the reaction between the sulfenic acid and radicals is as fast as it can get, limited only by the time it takes for the two molecules to come into contact. No other compound has been observed to react as an antioxidant so quickly.
Sources:
Science Daily January 31, 2009Angewandte Chemie International Edition December 22, 2008, Volume 48 Issue 1, Pages 157-160
Vitamin E Could Reduce Muscle Inflammation, Study Finds →
Dec 10 08 (NaturalNews) It’s no wonder muscle aches and pains can be not only uncomfortable but also result in significant impairment. After all, about half of your body mass is made up of skeletal muscles and chronic inflammation of those muscles can be agonizing. But University of Illinois research has demonstrated that the antioxidant properties of Vitamin E may be able to put a damper on the cause of ongoing inflammation.
Here’s how: Cytokines are regulatory proteins that are released by cells of the immune system to act as intercellular mediators when an immune response is needed. This is a desirable and natural part of the immune system, as long as the cytokine response isn’t excessive or “stuck”, resulting in chronic inflammation. The new research, just published in the December issue of the journal Experimental Physiology, suggests Vitamin E could keep many of these cytokines in check, thereby easing inflammation throughout the body.
For fulll article, see link above.
Vitamin E May Help Treat Menstrual Pain →
Feb 09 2002 (Mercola.com) - Vitamin E could help ease the pain of menstrual cramps, recent study findings suggest.
High levels of hormone-like substances called prostaglandins have been implicated in dysmenorrhea, or painful menstruation.
Because vitamin E can help block prostaglandin formation, researchers decided to test the vitamin as a treatment for dysmenorrhea.
The researchers studied 100 high school students aged 16 to 18 who reported experiencing mild, moderate or severe pain during menstruation. Half of the students took five vitamin E tablets per day for 2 days before and 3 days after they began menstruating, while the other half, the comparison group, took five inactive placebo tablets.
At the 2-month follow-up, individuals in both the vitamin E group and the comparison group reported experiencing less menstrual pain than they did at the start of the study. Students in the vitamin E group, however, reported slightly less pain than those in the comparison group.
Source: British Journal of Obstetrics and Gynaecology 2001;108:1181-1183
For full article, see: http://articles.mercola.com/sites/articles/archive/2002/02/09/vitamin-e-part-five.aspx
