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Can Allergy and Auto-immune diseases be the signs of hyper-vigilant immune system?

Allergy sufferers are much less likely to get some types of cancers. Theories regarding allergy - cancer link are mixed. Many say it is due to hyper-sensitive immune response. But the correlation ...
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46 views

How is tolerance to an allergen developed?

My question is mainly about how allergy shots work. I did some basic research before posting here, however I could not find an explanation of what occurs at a cellular level. Is it the persistance ...
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49 views

Why is the penicillin/ceftriaxone hypersensitivity test only done once?

I have had a severe bacterial infection. I was prescribed ceftriaxone, and when the time came for injecting it the nurse asked me whether I have an allergy to ceftriaxone. I answered that it's my ...
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33 views

Oral allergy syndrom, continuation of continuous consumption of allergen

Wikipedia states on its page that In addition, patients are advised to avoid the triggering foods, particularly nuts. And same thing goes for webmd.com The basic rule: If a food makes you ...
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90 views

Do sweat pores change diameter?

In Cholinergic Urticaria, some people believe that the itching which is generally more in winters might be because that the diameter of sweat pores is less due to less activity(less sweat production) ...
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96 views

Proteins in Milk, Oat , Eggs and Soy

I have read that there are proteins in oat which are similar to those in soy, milk and eggs. I know nothing about biochemistry, and I'm struggling to decipher the info i find.. the closest Ive got to ...
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190 views

Is it possible to train allergic resistance by exposing yourself to allergens?

My hypothesis is that one can decrease the allergic reactions over time by continuously exposing yourself to slowly increasing doses of allergens. Is there any scientific evidence pointing this right ...
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38 views

What makes substances allergenic?

Is it possible to tell or rule out (potentially a priori) whether any given substance or compound is likely and how likely to cause allergies with high confidence, without the need to conduct ...
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58 views

Are we more/less resistant to infectious diseases during an allergic reaction?

To my understanding, an allergic response is a non-adaptive response of the immune system to some molecule. The molecule in question is therefore "thought by the immune system" to be infectious ...
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24 views

Food allergen-related skin reactions and intestinal inflammation?

Are there any connections between food allergen-related skin reactions causing intestinal (or more broadly, gastrointestinal) generalized inflammation? If such a link exists, is it related to any of ...
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41 views

When does exposure to an allergen increase / decrease allergy?

In immunotherapy a person is regularly exposed to an allergen to decrease the allergy. Yet apparently "repeated intranasal challenges ... induces robust allergic airway inflammation, " [0] So when ...
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513 views

What is the beneficial function of IgE antibody?

Dont tell me the "function" of IgE is to cause allergy ! In whatever texts I have seen it is written that IgE is important to cause allergies but what is the beneficial function of IgE ? Why was it ...
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1answer
19 views

Is nutrient absorption different in Hypersensitive I patients?

I am thinking how the nutrient absorption differs between between patients with allergies (Hypersensitivity I) and those not. The current guideline about number of eggs in diet is one daily ...
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49 views

Allergic rhinitis vaccine

Note : Any answer to this question will not be (and should not be) taken as medical advice. One of my friends has allergic rhinitis and has been prescribed an oral vaccine. He is allergic to 3 ...
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1answer
204 views

Can you cure allergies?

A common solution is allergy shots, which helps you adapt to the allergy. But are there ways to tell the body that this allergy is safe and there is no need to amount a response to it? So that there ...
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1answer
562 views

Meat and mushroom allergies, why are they so rare?

There are a lot of food allergies, but for some reason not to meat (mammalian meat or poultry) or mushrooms. I've googled a bit, and now I know that one can actually have a meat or mushroom allergy, ...
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501 views

What is the smallest molecule that can present as an antigen to the immune system in the context of allergies?

People often claim, in a colloquial sense, that they are "allergic to everything". Is it possible to have a full-fledged IgE mediated allergic response to very small molecules? I was always under ...
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1answer
230 views

What causes peanut allergies?

Surveys show that 0.6 percent of the US population has an allergic reaction to peanuts. This prevalent allergy has even prompted some to ban peanuts from schools altogether. I am completely ...
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58 views

What Makes A Pet Hypoallergenic

I know you can purchase dog and cat breeds that are hypoallergenic so those who are prone to pet allergies will have reduced allergies or none at all. These breeds are specifically bred for that ...