W12-L2: Food Intolerance Flashcards
1
Q
What is Food Intolerance?
A
- Involve the digestive system
- Limited ability or inability to digest or absorb certain foods or their components.
- Symptoms appear within hours to days - nausea, bloating, abdominal pain, gas, and diarrhea
- Much harder to identify (except in the case of celiac disease and lactose intolerance)
2
Q
What are Food Tolerance Test Kits?
A
- Offer service: Naturopaths (86%), Acupuncturists (68%), homeopaths (60%), chiropractors (33%)
- Based on detection of IgG antibodies (immunoglobulin released by B Cells)
- IgG likely to be present as a natural response to eating that food
- Actually appears to be related to food tolerance NOT intolerance
3
Q
What are Concerns about increased popularity of at home tests?
A
- Lack of scientific support *
- Expensive: approx. $350 – 450 per test
- Poor counseling can lead to food avoidance & fear about eating
- Canadian Society of Allergy and Clinical Immunology, the American Academy of Allergy Asthma and Immunology, the Australasian Society of Clinical Immunology & Allergy, and the European Academy of Allergy and Clinical Immunology
- “these tests are not reliable and should not be recommended as a single diagnosis tool” Health Canada
4
Q
What are Food Intolerance Treatments?
4
A
- History: eliminate true food allergy, referral to gastroenterologist
- Eliminate common triggers – onion, garlic, coffee, excessive spice, chewing gum, carbonated drinks
- Work on eating behaviors – pace, chewing, recognizing fullness, hydration, fibre
- Low FODMAP diet
5
Q
What are FODMAPs?
A
collection of short-chain carbohydrates that aren’t absorbed
properly in the gut, which can trigger symptoms in people with intolerance
Fermentable
Oligosaccharides
Disaccharides
Monosaccharides
Polyols
6
Q
What are Oligosaccharides?
A
Subgroup
- Fructans & Galactans
Found in:
- Wheat, rye, onions, garlic and legumes/pulses
7
Q
What are Disccharides?
A
Subgroup:
- Lactose
Found in:
- Dairy products like milk, soft cheeses and yogurts
8
Q
What are Monosaccharides?
A
Subgroup:
- Fructose
Found In:
- Honey, apples & high fructose corn syrups
9
Q
What are Polyols?
A
Subgroup:
- Sorbitol & Mannitol
Found In:
- Fruit and vegetables. Used as artificial sweeteners
10
Q
What Food are Suitable for a low-fodmap diet?
A
11
Q
Eliminate Foods containg foodmaps:
A
12
Q
What is a Low Fodmaps diet?
A
- Remove high FODMAP foods from the diet for three to
eight weeks to see if symptoms improve. - Add these same foods back into your diet one category at
a time to see which foods are tolerated and which foods
trigger symptoms. - Overall goal is to add as many foods as tolerated in amounts that will not trigger symptoms
13
Q
SUMMARY
A