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News: December 2, 2009

Fatty acids in diet affect ulcerative colitis risk

December 2, 2009

People who eat lots of red meat, cook with certain types of oil, and use some kinds of polyunsaturated fatty acid (PUFA)-heavy margarines may be increasing their risk of a painful inflammatory bowel disease, a study in more than 200,000 Europeans shows.
These foods are high in linoleic acid and the study have found that people who were the heaviest consumers of this omega-6 PUFA were more than twice as likely to develop ulcerative colitis as those who consumed the least.
Dr. Andrew Hart of the University of East Anglia in Norwich, UK, and his colleagues also found that eating more eicosapentaenoic acid, an omega-3 fatty acid found in fish and fish oils, was associated with a lower risk of the disease.
While people need a certain amount of linoleic acid to survive, Hart noted in an interview with Reuters Health, excess amounts are taken up into the lining of the colon, and if they're released, they can promote inflammation. Omega-3 fatty acid, he added, does the opposite. "It basically dampens down inflammation," he explained.
To investigate the role of fatty acids and ulcerative colitis, a life-long disease characterized by inflammation of the lining of the large intestine, Hart and his colleagues looked at data from the European Prospective Investigation into Cancer and Nutrition (EPIC) trial, which includes over half a million people from 10 European countries.
Their analysis included 203,193 men and women 30 to 74 years old. During follow-up, which ranged from about 2 to 11 years, 126 people developed ulcerative colitis.
People in the top quartile of linoleic acid intake (they were consuming around 13 to 38 grams a day) were 2.5 times more likely to have developed the disease than people who consumed the least, about 2 to 8 grams daily.
There's currently no proven dietary treatment for ulcerative colitis, Hart noted, but the current findings raise the possibility that eating a diet low in linoleic acid could be helpful.
While a Western-style, red-meat-heavy diet is high in this fatty acid and low in omega-3s, Hart noted, a more Mediterranean style eating pattern -- with plenty of fruits and vegetables, fish, and nut oils -- would be low in linoleic acid and high in omega-3.
He estimated that if omega-3s do help prevent ulcerative colitis, eating a couple of servings of fish a week would probably be protective.


Archive issues: (50)

Archive list: 1 2 3 4 5 6 7 8 9 10 [11] 12 13 14 15 16 17

November 14, 2009 | Helping Children Cope With Stress

As adults we think of childhood as being happy and carefree, however today our world is different. What kinds of stress do children experience? Children in today's world have many concerns. Typical stresses would include school work and socialization however, the stress doesn't stop there for today's modern children.  Many stressors today come from ...

November 13, 2009 | California H1N1 study shows high rates of death over age 50

An examination of H1N1 fatalities in California shows that after hospitalization, most deaths from swine flu occurred in those over age 50. The findings differ from reports that H1N1 flu primarily affects younger people and causes mild illness.  The study, appearing in the November 4 issue of JAMA, revealed that thirty percent of H1N1 flu cases have required admission to intensive care units.  Janice K. Louie, M.D., M.P.H., of the California Department of ...

November 12, 2009 | Increase in hot tub injuries raises concern for children

New findings show that over the past two decades, injuries from hot tubs have been increasing. A national study conducted by the Center for Injury Research and Policy of The Research Institute at Nationwide Children's Hospital found that hot tub injuries increased from 2,500 to more than 6,600 injuries per year between 1990 and 2007. Most injuries occur in those over age sixteen, but children are ...

Archive list: 1 2 3 4 5 6 7 8 9 10 [11] 12 13 14 15 16 17

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News

December 20, 2009

Wii, Xbox 360 and Other Video Games Offer Some Benefits

Wii, Xbox 360, PlayStation, and other video games are hot on holiday gift lists, but some parents wonder whether these games offer any benefits or are detrimental to kids. The results of a new study may put some minds at ...

December 18, 2009

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December 17, 2009

Athletes who take NSAID's to prevent pain may be doing more harm than good

According to Stuart Warden, a researcher who studies musculoskeletal health and sports medicine, athletes who ritualistically take NSAID's to prevent post event and workout soreness and inflammation ...

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