Food sensitivity

Question

This piglix contains articles or sub-piglix about Food sensitivity

Answer 1

Food allergies

This piglix contains articles or sub-piglix about Food allergies

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Wikipedia

Answer 2

Gluten sensitivity

This piglix contains articles or sub-piglix about Gluten sensitivity

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Answer 3

Adverse food reaction

An adverse food reaction is an adverse response by the body to food or a specific type of food.

The most common adverse reaction is a food allergy, which is an adverse immune response to either a specific type or a range of food proteins.

However, other adverse responses to food are not allergies. These reactions include responses to food such as food intolerance, pharmacological reactions, and toxin-mediated reactions, as well as physical responses, such as choking.

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Answer 4

Elimination diet

An elimination diet, also known as exclusion diet and oligoantigenic diet, is a method of identifying foods that an individual cannot consume without adverse effects. Adverse effects may be due to food allergy, food intolerance, other physiological mechanisms (such as metabolic or toxins), or a combination of these. Elimination diets typically involve entirely removing a suspected food from the diet for a period of time from two weeks to two months, and waiting to determine whether symptoms resolve during that time period. In rare cases, a health professional may wish to use an oligoantigenic diet to relieve a patient of symptoms they are experiencing.

Common reasons for undertaking an elimination diet include suspected food allergies and suspected food intolerances. An elimination diet might remove one or more common foods, such as eggs or milk, or it might remove one or more minor or non-nutritive substances, such as artificial food colorings.

An elimination diet relies on trial and error to identify specific allergies and intolerances. Typically, if symptoms resolve after the removal of a food from the diet, then the food is reintroduced to see whether the symptoms reappear. This challenge-dechallenge-rechallenge approach is particularly useful in cases with intermittent or vague symptoms.

The exclusion diet can be a diagnostic tool or method used temporarily to determine whether a patient’s symptoms are food-related. The term elimination diet is also used to describe a "treatment diet", which eliminates certain foods for a patient.

Adverse reactions to food can be due to several mechanisms. Correct identification of the type of reaction in an individual is important, as different approaches to management may be required. The area of food allergies and intolerances has been controversial and is currently a topic that is heavily researched. It has been characterised in the past by lack of universal acceptance of definitions, diagnosis and treatment.

The concept of the elimination diet was first proposed by Dr. Albert Rowe in 1926 and expounded upon in his book, Elimination Diets and the Patient's Allergies, published in 1941.

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Answer 5

Feingold diet

The Feingold diet is an elimination diet initially devised by Benjamin Feingold, MD. (1899–1982) following research in the 1970s which appeared to link food additives with hyperactivity; by eliminating these additives and various foods the diet was supposed to alleviate the condition.

Popular in its day, the diet has since been referred to as an "outmoded treatment"; there is no good evidence that it is effective, and it is difficult for people to follow.

The diet was originally based on the elimination of salicylate, artificial food coloring, and artificial flavors; later on in the 1970s, the preservatives BHA, BHT, and (somewhat later) TBHQ were eliminated. Besides foods with the eliminated additives, aspirin- or additive-containing drugs and toiletries were to be avoided. Even today, parents are advised to limit their purchases of mouthwash, toothpaste, cough drops, perfume, and various other nonfood products to those published in the Feingold Association's annual Foodlist and Shopping Guide. Some versions of the diet prohibit only artificial food coloring and additives. According to the Royal College of Psychiatrists as of 2014^[update] the diet prohibited a number of foods which contain salicylic acid including apples, cucumbers and tomatoes.

Feingold stressed that the diet must be followed strictly and for an entire lifetime, and that whole families – not just the subject being "treated" – must observe the diet's rules.

Although the diet had a certain popular appeal, a 1983 meta-analysis found research on it to be of poor quality, and that overall there was no good evidence that it was effective in fulfilling its claims.

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Answer 6

Food intolerance

Food intolerance is a detrimental reaction, often delayed, to a food, beverage, food additive, or compound found in foods that produces symptoms in one or more body organs and systems, but generally refers to reactions other than food allergy. Food hypersensitivity is used to refer broadly to both food intolerances and food allergies.

Food allergies are immune reactions, typically an IgE reaction caused by the release of histamine but also encompassing non-IgE immune responses. This mechanism causes allergies to typically give immediate reaction (a few minutes to a few hours) to foods.

Food intolerances can be classified according to their mechanism. Intolerance can result from the absence of specific chemicals or enzymes needed to digest a food substance, as in hereditary fructose intolerance. It may be a result of an abnormality in the body's ability to absorb nutrients, as occurs in fructose malabsorption. Food intolerance reactions can occur to naturally occurring chemicals in foods, as in salicylate sensitivity. Drugs sourced from plants, such as aspirin, can also cause these kinds of reactions.

Food hypersensitivity is used to refer broadly to both food intolerances and food allergies. There are a variety of earlier terms which are no longer in use such as "pseudo-allergy".

Food intolerance reactions can include pharmacologic, metabolic, and gastro-intestinal responses to foods or food compounds. Food intolerance does not include either psychological responses or foodborne illness.

A non-allergic food hypersensitivity is an abnormal physiological response. It can be difficult to determine the poorly tolerated substance as reactions can be delayed, dose-dependent, and a particular reaction-causing compound may be found in many foods.

Elimination diets are useful to assist in the diagnosis of food intolerance. There are specific diagnostic tests for certain food intolerances.

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Answer 7

Lactose intolerance

Lactose intolerance

Lactose intolerance is a condition in which people have symptoms due to the decreased ability to digest lactose, a sugar found in milk products. Those affected vary in the amount of lactose they can tolerate before symptoms develop. Symptoms may include abdominal pain, bloating, diarrhea, gas, and nausea. These typically start between half and two hours after drinking milk or eating milk products. Severity depends on the amount a person eats or drinks. It does not cause damage to the gastrointestinal tract.

Lactose intolerance is due to not enough of the enzyme lactase in the small intestines to break lactose down into glucose and galactose. There are four types: primary, secondary, developmental, and congenital. Primary lactose intolerance is when the amount of lactase declines as people age. Secondary lactose intolerance is due to injury to the small intestine such as from infection, celiac disease, inflammatory bowel disease, or other diseases. Developmental lactose intolerance may occur in premature babies and usually improves over a short period of time. Congenital lactose intolerance is an extremely rare genetic disorder in which little or no lactase is made from birth.

Diagnosis may be confirmed if symptoms resolve following eliminating lactose from the diet. Other supporting tests include a hydrogen breath test and a stool acidity test. Other conditions that may produce similar symptoms include irritable bowel syndrome, celiac disease, and inflammatory bowel disease. Lactose intolerance is different from a milk allergy. Management is typically by decreasing the amount of lactose in the diet or taking lactase supplements. Those affected are usually able to drink at least one cup of milk without developing significant symptoms, with greater amounts tolerated if drunk with a meal or throughout the day.

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