"Organic food not any healthier" says Stanford
2012 09 04
Eating organic food will not make you healthier, according to researchers at Stanford University, although it could cut your exposure to pesticides.
They looked at more than 200 studies of the content and associated health gains of organic and non-organic foods.
Overall, there was no discernable difference between the nutritional content, although the organic food was 30% less likely to contain pesticides.
Critics say the work is inconclusive and call for more studies.
The research, published in the journal Annals of Internal Medicine, looked at 17 studies comparing people who ate organic with those who did not and 223 studies that compared the levels of nutrients, bacteria, fungus or pesticides in various foods - including fruits, vegetables, grains, meats, milk and eggs.
None of the human studies ran for longer than two years, making conclusions about long-term outcomes impossible. And all of the available evidence was relatively weak and highly variable - which the authors say is unsurprising because of all the different variables, like weather and soil type, involved.
Fruit and vegetables contained similar amounts of vitamins, and milk the same amount of protein and fat - although a few studies suggested organic milk contained more omega-3.
Organic foods did contain more nitrogen, but the researchers say this is probably due to differences in fertiliser use and ripeness at harvest and is unlikely to provide any health benefit.
Their findings support those of the UKís Food Standards Agency, which commissioned a review a few years ago into organic food claims.
Prof Alan Dangour, of the London School of Hygiene and Tropical Medicine, who carried out that work, said: "Consumers select organic foods for a variety of reasons, however this latest review identifies that at present there are no convincing differences between organic and conventional foods in nutrient content or health benefits.
"Hopefully this evidence will be useful to consumers."
Dr Crystal Smith-Spangler, the lead author of the latest review, said there were many reasons why people chose to eat organic, including animal welfare or environmental concerns.
"Some believe that organic food is always healthier and more nutritious. We were a little surprised that we didnít find that.
"There isnít much difference between organic and conventional foods, if youíre an adult and making a decision based solely on your health."
But the Soil Association said the study was flawed.
"Studies that treat crop trials as if they were clinical trials of medicines, like this one, exaggerate the variation between studies, and drown out the real differences.
"A UK review paper, using the correct statistical analysis, has found that most of the differences in nutrient levels between organic and non-organic fruit and vegetables seen in this US study are actually highly significant."
A Department of Health spokeswoman said: "Evidence has not yet emerged that there are nutritional benefits from eating organically produced foods compared to conventionally produced foods. We will continue to review research on this subject."
Article from: bbc.co.uk
Discovery.com reports :
The vast majority of studies that made it into the analysis looked at properties of food itself. And overall, the researchers report today in the journal Annals of Internal Medicine, results showed few differences in the content of vitamins, minerals, antioxidants, proteins or other nutrient measures.
The two groups did show some differences, though.
Organic produce contained more phosphorous than conventional versions, for example, though Brevata pointed out that phosphorous deficiency only occurs in people who are near starvation.
A few very small studies also suggested that organics contained higher levels of a type of antioxidant called phenols. And organic milk and chicken contained more omega-3 fatty acids than conventional varieties did, but Brevata added a caveat there as well: Omega 3s varied equally as much with brand and harvesting season.
Pesticide levels varied between the two groups, with conventional foods carrying a 30 percent higher chemical load than organics. Despite what sounds like a large difference, Brevata said, both groups were well below what are currently considered safe limits.
None of the studies showed that any particular kinds of produce contained more pesticides than others. And none looked systematically at the effects of washing or peeling.
Only 17 studies compared groups of people eating different diets, and most showed no difference on measures like sperm motility, levels of fatty acids in breast milk or antioxidant levels in blood.
Two studies looked at children and both showed higher levels of pesticides in kids who ate a greater proportion of conventional foods. But again, measurements in both groups of kids were well below concerning levels. And some studies showed that people were exposed to more pesticides from household use than from food.
Some research showed that conventional chicken and pork contained 33 percent more antibiotic-resistant bacteria than organic alternatives. Itís hard to translate those numbers into health outcomes, Brevata said, because cooking well kills even drug-resistant microbes.
Tune into Red Ice Radio:
Sabina DeVita - Electromagnetic Pollution, The Silent Invisible Pollutant & Essential Oils
Scott Tips - Codex Alimentarius Update Victory, Nutrient Reference Values & Swine Flu
Nora Gedgaudas - The Paleo Diet, Primal Body & Primal Mind
Dr. Robert Verkerk - EU Banning Herbs & Pushing GMOs
Dr. Andrew Saul - The War on Vitamins & Nutrition
Organic Not Necessarily Better For You?
Study that sought to disparage health of eggs was authored by scientists with financial ties to Big Pharma
Organic Brown Rice Syrup: Hidden Arsenic Source
The Organic Elite Surrenders To Monsanto: What Now?
USDA Certified Organicís Dirty Little Secret: Neotame
Tell USDA: Keep Nanotech OUT of Organic!
Organic Center Response to the FSA Study
Organically Grown Foods Higher In Cancer-fighting Chemicals Than Conventionally Grown Foods
Which Giant Corporation Owns Your Favorite Organic Food Brand?
7 Raw milk dispensers a boon for small biz farmers
Food Investigations - Pharmaburger (Video)
Latest News from our Front Page
The Ata íAliení Humanoid May Have An Earthling Cousin
2013 05 24
When a new documentary promised to unveil DNA tests on a 6-inch-tall humanoid found 10 years ago in Chile, everyone weighed in with an opinion.
UFO researchers hoped this might finally be proof of alien visitations. Skeptics were sure it was nothing more than shameless movie promotion.
The latest ripple in this controversy might be the most bizarre turn yet.
And by "ripple," ...
Shocking new theory: Humans hunted, ate Neanderthals
2013 05 24
Red Ice Creations Note: To hear the flip side of this theory, tune into Red Ice Radio with guest Danny Vendramini , where "Neanderthal Predation Theory" and human origins is examined. Vendramini argues that Neanderthals were the top íapexí predators, and humans were the prey.
Danny Vendramini - Hour 1 - Them & Us: Neanderthal Predation Theory
Humans today eat gorillas and ...
Deadly Drug Trials: Western Firms Bribed East German Doctors
2013 05 24
It wasnít just the East German government that benefited from risky patient drug trials commissioned by Western pharmaceutical manufacturers decades ago. These companies also sent liaisons with lavish gifts to bribe and influence doctors to participate.
The presents always came in the springtime. When the representatives of Western pharmaceutical companies arrived at the Leipzig Trade Fair, they made sure that East ...
Home Secretary secretly strips two more people of British citizenship
2013 05 24
The Home Secretary has stripped at least two additional individuals of their British citizenship in recent months, the Bureau has learned.
In February, an investigation by the Bureau and published with the Independent revealed that Theresa May had signed deprivation of citizenship orders for 16 people between the 2010 election and November 2012, including five British-born individuals. That total has now ...
Mahatma Gandhiís blood fails to sell at auction
2013 05 24
Famous pacifist Mahatma Gandhi didnít like to spill any when he was alive so it is quite ironic a sample of his blood was put up for sale in a recent auction.
In the end the activistís body fluid was not sold as no-one was able to meet the £10,000 ($15,155) reserve price.
Gandhiís blood had been available to buy after being ...
|More News Ľ |