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Keyword: antioxidants

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  • Study: Those High-Priced Antioxidants May Be Killing You

    02/20/2017 3:40:54 PM PST · by cba123 · 66 replies
    Study Finds ^ | 20 February | Stewart Lawrence
    BEIJING — Fear of mortality is one reason Americans spend so much on “antioxidant” products, including Vitamin C supplements and beta-carotene, which promise a longer healthier life. According to the National Institutes of Health, more than half of adults in the U.S. consume some kind of antioxidant product, spending $37 billion each year. But a study conducted in China – where aging is akin to a national obsession these days – claims that antioxidants don’t work as billed. The study is published in the journal Redox Biology. A new study finds that antioxidant supplements may be more harmful to the...
  • Antioxidants including vitamin E can promote lung cancer: study

    01/30/2014 9:48:59 PM PST · by Tired of Taxes · 55 replies
    Reuters ^ | Jan. 29, 2014 | Sharon Begley
    (Reuters) - A decades-old medical mystery - why antioxidants such as vitamin E and beta carotene seemed to accelerate the growth of early lung tumors in high-risk populations such as smokers, rather than protect them from cancer, as theory suggests - may have been solved, according to research published on Wednesday. In essence, "antioxidants allow cancer cells to escape cells' own defense system" against tumors,... That lets existing tumors, even those too small to be detected, proliferate uncontrollably. .... The antioxidants caused a 2.8-fold increase in lung tumors, made the tumors more invasive and aggressive, and caused the mice to...
  • Chocolate and red wine can help stave off diabetes (Antioxidants regulate blood glucose)

    01/20/2014 7:50:22 AM PST · by Mrs. Don-o · 24 replies
    Daily Mail (UK) ^ | 20 January 2014 | Jenny Hope
    It sounds like the ingredient list for an indulgent dessert. But red wine, chocolate and strawberries are more than a guilty pleasure. They could all help guard against diabetes. A study found for the first time the high content of flavonoids found in berry fruits may regulate blood glucose levels, and stave off type 2 diabetes. Flavonoids are antioxidant compounds found in plants, as well as tea, red wine and chocolate, which can protect against a wide range of diseases, including heart disease, hypertension, some cancers and dementia. The study found the main protective effect came from higher intakes of...

    07/11/2009 9:24:53 PM PDT · by doug from upland · 45 replies · 1,719+ views
    EATING MELATONIN-RICH CHERRIES ARE ‘‘NATURAL” WAY TO RESET YOUR BODY CLOCK WHEN CROSSING TIME ZONES Research Reveals that Cherries Boost Your Body’s Melatonin Levels to Help Prevent Jet Lag After Long International Flights It takes mere seconds to reset our watch to a different time zone, but our body’s internal time clocks often take longer to sync up in our new locale. Experienced travelers often stash a bottle of melatonin supplements in their carryon bag to help adjust, but experts say there may be a more natural and tasty way to get melatonin: cherries. Recent studies have revealed that cherries...
  • Study finds that sorghum bran has more antioxidants than blueberries, pomegranates

    09/13/2010 7:14:20 AM PDT · by decimon · 30 replies · 1+ views
    University of Georgia ^ | September 10, 2010 | Kirk McAlpin
    Athens, Ga. - A new University of Georgia study has found that select varieties of sorghum bran have greater antioxidant and anti-inflammatory properties than well-known foods such as blueberries and pomegranates. Researchers measured polyphenolic compounds, which naturally occur in plants to help fight against pests and disease, and found that the black and sumac varieties of sorghum have significant levels of antioxidants. Many fruits also contain these compounds, they said, though sorghum bran may prove to be the richest and cheapest source. “Since most human chronic disease states are associated with chronic inflammation and high oxidative stress, a food ingredient...
  • Tea brewed at home healthiest

    08/24/2010 11:36:37 AM PDT · by lakeprincess · 34 replies
    The Washington Times ^ | Aug. 24, 2010 | Jennifer Harper
    Pity all those earnest folks who guzzle down a pricey bottle of fancy tea, hoping for a healthy dose of cancer-fighting "antioxidants" and "flavonoids." This news is hard to swallow: Those drinkers would have to down up to 20 bottles of the stuff to get the same amount of beneficial substances found in a single cup of humble, home-brewed tea. (study)
  • New study suggests tart cherry juice can be a natural solution for insomnia

    07/12/2010 10:55:03 AM PDT · by decimon · 27 replies · 1+ views
    Weber Shandwick Worldwide ^ | July 12, 2010 | Unknown
    Researchers find red hot Super Fruit aids sleep in older adultsLANSING, Mich., July 12, 2010 – Drinking tart cherry juice daily could help reduce the severity of insomnia and time spent awake after going to sleep, according to a new study published in the Journal of Medicinal Food1. A team of University of Pennsylvania, University of Rochester and VA Center of Canandaigua researchers conducted a pilot study on the sleep habits of 15 older adults. The adults drank 8 ounces of tart cherry juice beverage (CheriBundi in the morning and evening for 2 weeks, and a comparable matched juice...
  • Antioxidants do help arteries stay healthy

    07/05/2010 4:58:21 PM PDT · by decimon · 7 replies
    BioMed Central ^ | July 5, 2010 | Unknown
    Long-term supplementation with dietary antioxidants has beneficial effects on sugar and fat metabolism, blood pressure and arterial flexibility in patients with multiple cardiovascular risk factors. Researchers writing in BioMed Central's open access journal Nutrition and Metabolism report these positive results in a randomized controlled trial of combined vitamin C, vitamin E, coenzyme Q10 and selenium capsules. Reuven Zimlichman worked with a team of researchers from Wolfson Medical Center, Israel, to carry out the study in 70 patients from the centre's hypertension clinic. He said, "Antioxidant supplementation significantly increased large and small artery elasticity in patients with multiple cardiovascular risk factors....
  • Well-defined quantity of antioxidants in diet can improve insulin resistance

    06/21/2010 9:41:08 AM PDT · by decimon · 5 replies
    The Endocrine Society ^ | June 20, 2010 | Unknown
    A diet rich in natural antioxidants improves insulin sensitivity in insulin-resistant obese adults and enhances the effect of the insulin-sensitizing drug metformin, a preliminary study from Italy finds. The results will be presented Monday at The Endocrine Society's 92nd Annual Meeting in San Diego. "The beneficial effects of antioxidants are known, but we have revealed for the first time one of their biological bases of action—improving hormonal action in obese subjects with the metabolic syndrome," said principal author Antonio Mancini, MD, an endocrinology researcher at Catholic University of the Sacred Heart in Rome. The metabolic syndrome is a cluster of...
  • High Doses of Antioxidants Can Mutate Your Stem Cells

    05/05/2010 7:29:16 AM PDT · by Daffynition · 20 replies · 548+ views
    io9 ^ | May 4, 2010 | Annalee Newitz
    Hold off on the megadoses of antioxidant vitamins like C and E. A study by researchers at Cedars-Sinai Heart Institute shows that you can overdose on these health aids, and the result could be mutated stem cells that cause cancer. There's no cause for alarm if you're staying within suggested doses of your vitamins or nutritional supplements. This study looked only at what happens when people take much more than the standard amounts of antioxidants. Researcher Eduardo Marbán and his colleagues' stumbled on the antioxidant problem while they were researching tissue engineering for human hearts. Using stem cells, Marbán and...
  • Spice Up Your Health This Barbecue Season

    03/23/2010 11:51:54 AM PDT · by Pharmboy · 25 replies · 416+ views
    U. of Western Ontario ^ | March 23, 2010 | Communications Staff
    London, ON – A new study at The University of Western Ontario finds the sauces you use when firing up the barbecue this summer may provide unforeseen health benefits. The research, led by Western biology and psychology postdoctoral fellow Raymond Thomas, shows common marinades may be more than just tasty sauces – they can also provide a major source of natural antioxidants. The paper was co-authored by Mark Bernards and Christopher Guglielmo in Western’s department of biology. Foods rich in antioxidants play an essential role in preventing cardiovascular diseases, cancers, neurodegenerative diseases like Alzheimer’s and Parkinson’s, inflammation and problems associated...
  • Cloves are the best natural antioxidant

    03/16/2010 2:35:54 PM PDT · by decimon · 17 replies · 530+ views
    Using spices eaten in the Mediterranean diet as natural antioxidants is a good way forward for the food industry, given the beneficial health effects of these products. This has been shown by researchers from the Miguel Hernández University (UMH), who have put the clove in first place. Researchers from the Miguel Hernández University have identified cloves (Syzygium aromaticum) as the best antioxidant spice, due to the fact they contain high levels of phenolic compounds, as well as having other properties. "Out of the five antioxidant properties tested, cloves had the highest capacity to give off hydrogen, reduced lipid peroxidation well,...
  • New evidence that green tea may help fight glaucoma and other eye diseases

    02/18/2010 10:42:44 AM PST · by decimon · 16 replies · 529+ views
    American Chemical Society ^ | Feb 18, 2010 | Unknown
    Scientists have confirmed that the healthful substances found in green tea — renowned for their powerful antioxidant and disease-fighting properties — do penetrate into tissues of the eye. Their new report, the first documenting how the lens, retina, and other eye tissues absorb these substances, raises the possibility that green tea may protect against glaucoma and other common eye diseases. It appears in ACS's bi-weekly Journal of Agricultural and Food Chemistry. Chi Pui Pang and colleagues point out that so-called green tea "catechins" have been among a number of antioxidants thought capable of protecting the eye. Those include vitamin C,...
  • Antioxidants aren't always good for you and can impair muscle function, study shows

    01/26/2010 9:18:58 AM PST · by decimon · 36 replies · 1,034+ views
    Kansas State University ^ | Jan 26, 2010 | Unknown
    Antioxidants increasingly have been praised for their benefits against disease and aging, but recent studies at Kansas State University show that they also can cause harm. Researchers in K-State's Cardiorespiratory Exercise Laboratory have been studying how to improve oxygen delivery to the skeletal muscle during physical activity by using antioxidants, which are nutrients in foods that can prevent or slow the oxidative damage to the body. Their findings show that sometimes antioxidants can impair muscle function. "Antioxidant is one of those buzz words right now," said Steven Copp, a doctoral student in anatomy and physiology from Manhattan and a researcher...
  • Scientists discover influenza's Achilles heel: Antioxidants

    10/29/2009 10:30:41 AM PDT · by Pharmboy · 43 replies · 1,989+ views
    New research in the FASEB Journal opens the door for new drugs that could prevent severe flu-related lung damage As the nation copes with a shortage of vaccines for H1N1 influenza, a team of Alabama researchers have raised hopes that they have found an Achilles' heel for all strains of the flu—antioxidants. In an article appearing in the November 2009 print issue of the FASEB Journal ( they show that antioxidants—the same substances found in plant-based foods—might hold the key in preventing the flu virus from wreaking havoc on our lungs. "The recent outbreak of H1N1 influenza and the rapid...
  • Broccoli: The Fountain of Youth

    08/25/2009 9:17:30 AM PDT · by nickcarraway · 61 replies · 2,005+ views
    Baltimore Sun ^ | 8/25/090 | Jett Stone
    "I'm president of the United States, and I'm not going to eat any more broccoli!" proclaimed George H.W. Bush in a 1990 news conference. America's 41st president disdained broccoli so much that he banned the vegetable from the White House menu. Now 84, Bush may live to regret his broccoli bullying: New scientific evidence suggests that a chemical in broccoli may rejuvenate the immune system enough to ward off common diseases of aging. At the University of California- Los Angeles, Andre Nel and colleagues recently discovered that sulforaphane, a phytonutrient in broccoli, activates antioxidant pathways at the cellular level. Injected...
  • Antioxidants from black tea may aid diabetics (Type IIs)

    07/30/2009 12:27:02 AM PDT · by neverdem · 9 replies · 810+ views ^ | 29-Jul-2009 | Stephen Daniells
    Polysaccharides from black tea may blunt the spike in sugar levels after a meal more than similar compounds from green and oolong tea, and offer potential to manage diabetes, says a new study. The black tea polysaccharides also exhibited the greatest activity for scavenging free radicals, which are linked to development of diseases such as cancer and rheumatoid arthritis, according to new findings published in the Journal of Food Science. Interest in tea and its constituents has bloomed in recent years, with the greatest focus on the leaf’s polyphenol content. Green tea contains between 30 and 40 per cent of...
  • 800 Year-Old Cancer Fighting Vitamin been Re-Discovered In Israel

    06/17/2009 2:52:05 PM PDT · by Shellybenoit · 15 replies · 1,538+ views
    Israel 21C/The Lid ^ | 6/17/09 | The Lid
    Rabbi Moshe ben Maimon, also known as Moses Maimonides or the Rambam was not only one of the greatest Torah scholars of all time, he was a rabbi, physician, and philosopher in during the Middle Ages. Much of his career he was in the personal doctor Saladin, the 12th Century Sultan of Egypt. Along with his great books on Jewish learning, he wrote 10 breakthrough medical books and had many medical cures that had been lost through time. One of them might have been found. A doctor at the University of Haifa has tested a compound based on an inedible...
  • Exercise and Vitamins: Now, Wait A Minute

    05/15/2009 4:45:05 AM PDT · by grey_whiskers · 19 replies · 1,189+ views
    Corante Weblog ^ | 05/13/2009 | Derek Lowe
    ...ROS are also implicated in many theories of aging and cellular damage, which is why cells have several systems to try to soak these things up. That’s exactly why people take antioxidants, vitamin C and vitamin E especially. So. . .what if you take those while you’re exercising? A new paper in PNAS askes that exact question. About forty healthy young male volunteers took part in the study, which involved four weeks of identical exercise programs. Half of the volunteers were already in athletic training, and half weren’t. Both groups were then split again, and half of each cohort took...
  • Randomized Trials of Antioxidant Supplementation for Cancer Prevention - First Bias, Now Chance...

    12/24/2008 5:45:19 PM PST · by neverdem · 9 replies · 1,089+ views
    JAMA ^ | December 9, 2008 | Peter H. Gann, MD, ScD
    Randomized Trials of Antioxidant Supplementation for Cancer PreventionFirst Bias, Now Chance—Next, Cause Peter H. Gann, MD, ScD JAMA. 2009;301(1):(doi:10.1001/jama.2008.863). In 1996, a wave of hope arose when the Nutritional Prevention of Cancer trial reported a 65% reduction in prostate cancer incidence in men receiving selenium supplementation.1 This came only 2 years after the ATBC (-Tocopherol, Beta Carotene) Cancer Prevention Trial had reported a 35% reduction in prostate cancer occurrence among men taking vitamin E supplements.2 Suddenly, it appeared to make sense that this cancer could be prevented by bolstering antioxidant defenses in middle-aged and older men. Prostate cancer was not...