Tuesday, July 28, 2009
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Is Irritable Bowel Syndrome Linked to Foods?
Study Shows Wheat, Beef, Pork, Lamb, and Soybeans Stood Out Among 16 Common Foods.
July 14, 2005 -- Are people with irritable bowel syndrome (IBS) more sensitive to certain foods than other people? And if so, what are those foods?
Science doesn't yet have an indisputable answer to that question. But a report in July's American Journal of Gastroenterology may provide more insight.
IBS is a functional condition of the intestine. While no one fully understands what causes IBS, it is not an anatomic problem. According to the American Academy of Gastroenterology, IBS patients have changes in bowel habits, such as constipation or diarrhea. They also have abdominal pain along with other symptoms including abdominal bloating and rectal urgency with diarrhea.
Researchers tested 16 common foods on blood from 132 IBS patients and 43 people without IBS.
IBS patients had higher levels of an antibody called IgG4 in response to five foods, compared with those without IBS. Those five foods were wheat, beef, lamb, pork, and soybeans.
Antibodies are proteins made by the immune system to help fight infections.
IgG is the major antibody in the body; another antibody called IgE is normally present in only trace amounts, but it is responsible for the symptoms of allergy.
However, the study doesn't prove that the five foods caused IBS.
IBS symptom severity and frequency weren't linked to antibody levels, write the researchers. They included Sameer Zar, MRCP, of St. Georges Hospital Medical School in London.
Food Sensitivity
Between one-fifth and two-thirds of IBS patients attribute their symptoms to food hypersensitivity.
By comparison, only about 5% of the general population claims food hypersensitivity.
Sameer Zar, MRCP, and colleagues cite those statistics in their report.
Food Test
Zar's study included 52 people with diarrhea-prominent IBS, 32 with constipation-prominent IBS, and 24 with alternating IBS.
Most subjects (91) were women. Average age ranged from 35 to about 43.
Foods tested included milk, egg white, egg yolk, cheddar cheese, rice, yeast, potato, peanut, cod fish, chicken, lamb, beef, pork, tomatoes, and soybean.
Study's Results
Those with diarrhea-prominent IBS had markedly higher levels of the antibody IgG4 for wheat, beef, pork, and soybean.
Those with constipation-prominent IBS had markedly higher IgG4 levels for wheat, lamb, beef, and pork.
Those with alternating IBS had markedly higher IgG4 levels for wheat, beef, and pork.
There was a large variability in the IgG4 antibody level to different food groups, write the researchers.
Skin Prick Test
Skin prick tests were done on a smaller group of participants -- 56 with IBS and five without IBS.
A skin prick test places a small amount of substance that triggers an allergic reaction into the skin. People with allergies to the specific substance have swelling in the injected region of the skin, a reaction caused by IgE antibodies.
A lot of participants didn't take the skin test, which required a separate visit to another center. Due to the low turnout, the test was dropped later on.
Five IBS patients had a positive skin test response to shrimp. So did one person without IBS.
The skin test results didn't sync up with results from the blood antibody tests, write the researchers.
Food Journal, Doctors May Help
"For many people, careful eating reduces IBS symptoms," says the National Institutes of Health (NIH).
"Before changing your diet, keep a journal noting the foods that seem to cause distress. Then discuss your findings with your doctor. You may also want to consult a registered dietitian, who can help you make changes to your diet," says the NIH.
By Miranda Hitti
WebMD Medical News
Reviewed By Brunilda Nazario, MD
on Thursday, July 14, 2005
SOURCES: Zar, S. American Journal of Gastroenterology, July 2005; vol 100: pp 1550-1557. WebMD Public Information from the National Institutes of Health: "Irritable Bowel Syndrome." National Cancer Institute. American Academy of Allergy Asthma and Immunology. American Academy of Gastroenterology.
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Tuesday, July 21, 2009
Arizona Trail For Fibromyalgia
Here we have another courageous Fibro sister!
She is so inspiring and encouraging. I'm sure to many of us sufferers.
I really love coming across these types of articles and websites to be able to share with everyone here.
When she set out to hike the 800-mile Arizona Trail last spring, Sirena Dufault worried that she might not finish.
The daunting trail stretches from Utah to the U.S.-Mexico border.
Dufault's concern stemmed from her decade-long battle with fibromyalgia, a little-understood chronic pain disorder.
"I was a little hestitant to publicize it because I didn't know how far I could go," Dufault said this week. "Now I can comfortably do a 15-mile day with a big pack, no problem."
Next Tuesday — on national Fibromyalgia Awareness Day — the 35-year-old will make a final, eight-mile hike north of Oracle to complete the trail, trudging from the Tiger Mine Trailhead to the American Flag Trailhead.
Dufault kept an online journal throughout her trek, which she made mostly by herself in one- to five-day trips. The May 12 leg marks the 80th day Dufault has spent on the trail.
She hopes her success will inspire the 10 million Americans suffering from the disorder, Dufault said. "There's not a whole lot of positive information out there about people getting their lives back after fibromyalgia."
Fibromyalgia's many symptoms include chronic, widespread body pain, according to the National Fibromyalgia Association. Symptoms can stem from an acute illness or injury, as in Dufault's case. Her diagnosis came in 1998, a year after she was hit by a car as she crossed a street. For months afterward, even as her initial injuries healed, Dufault's pain and fatigue worsened.
"I saw her probably at her worse," said Angi Edge, a nurse and massage therapist who treated Dufault after her diagnosis and became a fast friend. "So many people give up on themselves. They become their disease. She was just not going to give up."
Dufault's pain has not flaired up in a major way in the last three years, she said. "I attribute that to being very, very active."
For her next big adventure, Dufault might hike the Tonto Trail in the Grand Canyon.
She walked 25 miles of the 90-mile trail this past winter.
Dufault enjoyed the physical benefits of hiking so much that she decided to take on the 800-mile Arizona Trail. She is hiking to raise awareness for Fibromyalgia and is donating all proceeds from the hike to the National Fibromyalgia Association. “This experience has been so rewarding and has given me a deep appreciation for the diverse beauty found in the state of Arizona.” said Dufault. “And day after day of hiking, I found out that I am so much stronger than I ever dreamed possible. I want others with fibromyalgia to know that there is hope after the diagnosis.”
Dufault has hiked most of the trail solo in one- to five-day segments, but on May 12, Fibromyalgia Awareness Day, Sirena will complete the final eight miles of the Arizona Trail with a group of supporters. They will start out at the Tiger Mine Trailhead north of Oracle at 7 am and hike south to the American Flag Trailhead, arriving around 11 am. “I conceived the idea of hiking the Arizona Trail at this spot in May 2007,” says Dufault, “so it’s fitting that my hike ends here.”
To see Sirena’s blog, pictures, and videos from the trail as well as to make a donation, visit her website Arizona Trail for Fibromyalgia at www.aztrail4fms.org.
Contact: Sirena Dufault
