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Allergies are much more than just an annoying immune malfunction, they may protect against certain types of cancer, suggests a new study.

According to a new article in the December issue of The Quarterly Review of Biology, allergy symptoms may protect against cancer by expelling foreign particles, some of which may be carcinogenic or carry absorbed carcinogens, from the organs most likely to come in with contact them.

In addition, allergies may serve as early warning devices that let people know when there are substances in the air that should be avoided.

The article has been produced by researchers Paul Sherman, Erica Holland and Janet Shellman Sherman from Cornell University.

Medical researchers have long suspected an association between allergies and cancer, but extensive study on the subject has yielded mixed, and often contradictory, results. Many studies have found inverse associations between the two, meaning cancer patients tended to have fewer allergies in their medical history.

Other studies have found positive associations, and still others found no association at all.

In an attempt to explain these contradictions, the Cornell team reexamined nearly 650 previous studies from the past five decades. They found that inverse allergy-cancer associations are far more common with cancers of organ systems that come in direct contact with matter from the external environment-the mouth and throat, colon and rectum, skin, cervix, pancreas and glial brain cells.

Likewise, only allergies associated with tissues that are directly exposed to environmental assaults-eczema, hives, hay fever and animal and food allergies-had inverse relationships to cancers.

Such inverse associations were found to be far less likely for cancers of more isolated tissues like the breast, meningeal brain cells and prostate, as well as for myeloma, non-Hodgkins lymphoma and myelocytic leukemia.

The relationship between asthma and lung cancer, however, is a special case. A majority of the studies that the Cornell team examined found that asthma correlates to higher rates of lung cancer.

“Essentially, asthma obstructs clearance of pulmonary mucous, blocking any potentially prophylactic benefit of allergic expulsion,” they explain.

By contrast, allergies that affect the lungs other than asthma seem to retain the protective effect. So if allergies are part of the body’s defense against foreign particle invaders, is it wise to turn them off with antihistamines and other suppressants? The Cornell team says that studies specifically designed to answer this question are needed.

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I’ve tried afrin and zicam, but you can only use them for 3 days. And Somtimes I take sudafed and tylonel sinus but you can’t use those all the time either. Every morning I wake up with sinus pressure probably due to allerigies, does anybody know how i can get releif for this once and for all?

To relieve the sinus pain, start with a hot wash cloth on the face and eyes. Repeat a few times that will help until the next procedure is completed.You can buy a saline solution spray bottle at the Pharmacy along with Nasonex. Nasonex is a nasal spray used once a day, preferable in the morning when you wake.

This medication works and is worth the trip to the doctor for the prescription. First part you clean out the nasal cavity using the saline then use nasonex only two pumps on each side. Stop smoking if you are a smoker, and stay out of smoke filled areas. Take your allergy medicine every morning. Never consider surgery, the infections come back and it is very painful.There is no quick or permanent fix for this recurring infection.

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The most common asthma prevention medications are called corticosteroids (e.g., beclomethasone, budesonide, ciclesonide, or fluticasone), which are inhaled through a “puffer” or inhaler. They are designed to decrease the swelling or inflammation in your airways. It usually takes a week or two for these medications to get the swelling and inflammation under control. They don’t provide fast relief of asthma symptoms, but they will prevent future symptoms. They control inflammation, which is the underlying cause of asthma.

If corticosteroids do not control your asthma symptoms, your doctor may suggest that you use a long-acting bronchodilator (e.g., salmeterol, formoterol) along with your corticosteroid. Your doctor may also suggest that you use a combination inhaler that contains both a corticosteroid and a long-acting bronchodilator.

For some people, leukotriene receptor antagonists (e.g., montelukast, zafirlukast) may be used to help control asthma. These medications work by blocking a chemical from causing inflammation in the airways. If your asthma is caused by allergies and your asthma symptoms have not been controlled with corticosteroids, your doctor may suggest an injectable medication called omalizumab or allergy shots.

People with asthma symptoms often need treatment that provides immediate relief. Bronchodilators (e.g., salbutamol, formoterol, or terbutaline) work quickly to relax the muscles around the airways and allow you to breathe more easily. These are reliever medications that treat the symptoms but not the underlying cause. If you are using relievers two days a week or more (not including before exercise), talk to your doctor or health care professional. You may need some changes in your medications.

Asthma itself is difficult to prevent, but a lot can be done to reduce or eliminate your asthma symptoms.

If your doctor has given you a preventive medication to use every day, follow the instructions carefully. If you use it as suggested, it should control the swelling in your airways and reduce your asthma symptoms over the long term.

Using your inhaler

Since asthma medications are often inhaled through a “puffer,” they require extra knowledge and care on your part. Asthma inhalers have to be used properly to get the right amount of medication into your lungs.

Learning how to use inhalers properly can take some practice. Ask your doctor or health care professional to check to see if you are using your inhaler properly. If you are using a metered-dose inhaler (MDI), which is a pressurized inhaler, your doctor may recommend a spacer device that fits on your inhaler to make it easier for you to ensure that more of your medication is reaching your lungs. Spacers also help to reduce some of the side effects of inhaled corticosteroids. Spacer devices are not needed for dry-powdered devices that are not pressurized.

As part of your asthma treatment plan, your doctor may suggest that you use a peak flow meter. A peak flow meter helps you to monitor your lung function and it gives an indication of how well your asthma is controlled. It will also help you monitor how well your medications are working, recognize when you need to adjust your medications as recommended by your doctor or health care professional, and to know when to get emergency medical attention.

Keeping a diary of your asthma symptoms is also an important way to monitor your asthma control.

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Avoiding triggers is your first defence against an asthma attack. Below are some common asthma triggers and their remedies. Making these simple lifestyle changes to avoid your asthma triggers can go a long way toward preventing attacks.

* pollen (grasses, trees, weeds): Keep doors and windows closed and use air conditioning to keep pollen out.
* dust mites (found in carpet, furniture, pillows): Use special coverings for mattresses and pillows. Remove carpets in bedrooms. Wash bedding in very hot water. Keep humidity in the room between 30% and 40%.
* animal hair and dander: Pet removal is the best way to avoid pet allergen. If you have pets, keep them out of bedrooms and off furniture.
* mould: Get a dehumidifier to eliminate mould. Avoid freshly cut grass.
* environment (smoke, pollution, cold air): Stop smoking and avoid all smoky areas. Stay indoors when the outside air quality is poor. Cover your nose and mouth in cold weather.
* exercise: Use your reliever medication 10 to 15 minutes before exercising. Warm up and cool down for 3 to 5 minutes.

Although avoiding triggers is an important part of asthma management, it is not always possible to escape them completely. Therefore, medications are often needed to prevent and treat asthma symptoms.

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There’s no cure for asthma. It’s a chronic condition that can last a lifetime. The goal of asthma treatment is to keep you as symptom-free as possible. This includes being able to engage in normal activities, keeping the use of rescue medications down (less than 2 days per week), and reducing episodes of worsening asthma. This goal can be reach by most people with asthma.

There are three main things you can do to treat asthma:

* avoid triggers
* use “preventer,” also called “controller” medications such as corticosteroids (e.g., beclomethasone*, budesonide, ciclesonide, or fluticasone), leukotriene receptor antagonists (e.g., montelukast or zafirlukast),or mast cell stabilizers (e.g., sodium cromoglycate)
* alleviate symptoms using “reliever” or “rescue” medications such as bronchodilators (e.g., salbutamol, formoterol, terbutaline, or ipratropium)

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Any one of the symptoms listed above is a good enough reason to see your doctor for a checkup. Your doctor will review your medical and family history, and he or she will ask you about your symptoms and if something seems to trigger them. Your doctor will examine your nose, listen to your lungs, and may measure your lung function with tests called pulmonary function tests. Your doctor may also suggest blood, sputum, or other tests to eliminate other possible conditions such as throat infection or cystic fibrosis.

An allergist or other doctor can identify your triggers by scratching the skin with tiny amounts of various allergens to see which ones may be triggers in your asthma.

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Some children feel an itch on the back of the neck just prior to an asthma attack. Most people have some warning sign that they can learn to recognize. Some signs, like a sore throat, are obvious. Others, like dark circles under your eyes or a change in the colour of your face, may go unnoticed.

Asthma varies in its severity. Some people experience asthma symptoms continuously while others experience symptoms only if exposed to triggers. Regardless of the severity, typical asthma symptoms include:

* chest tightness
* coughing
* shortness of breath
* wheezing

With more severe asthma, these symptoms may occur at night.

Wheezing is the best-known asthma symptom, but not everyone with asthma wheezes. Some people only have a cough that doesn’t seem to go away.

A really severe asthma attack is life-threatening. Even if some air is coming in, deadly carbon dioxide builds up in the blood. If you or a family member can’t breathe and the normal medication isn’t working, call an ambulance.

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The cause of asthma is poorly understood, but it may be partly inherited. Everyone’s lungs are sensitive to different things such as pollen, air pollution, or strong chemicals. In simple terms, people with asthma have lungs that are more sensitive than average.

There are three processes in the lungs that produce asthma symptoms. First, the inner linings of the airways become inflamed. They swell up, leaving less room for air to pass through. Second, the muscles around the airways can tighten, closing them further. Finally, the airways produce mucus in response to the inflammation, clogging the shrunken tubes.

Asthma is in part an allergic response. It may be triggered by some external substance that particularly irritates your lungs. These triggers are often small protein particles called allergens. Some people are sensitive to more than one trigger. Common allergens include:

* grass, tree, and ragweed pollen
* moulds
* house dust mites
* cockroach particles
* animal dander

Other people can get an asthma attack from something they swallow rather than breathe. Examples of these triggers include:

* ASA* and other anti-inflammatory medications
* preservatives found in some drinks or foods
* nuts or shrimp

While most people develop asthma as children, adults can become asthmatic by being exposed to allergens for a long time. People who work with the following products may be at increased risk:

* foams and paints
* antibiotics
* cotton and flax
* detergents
* grains and cereals
* insulation and packaging materials

Asthma attacks can also be triggered by non-allergic irritants such as:

* viral infections such as the common cold or the flu
* laughing hard, crying, shouting
* smog and smoke
* strong smells (e.g., paint fumes, perfumes, cleaning products)
* suddenly breathing cold air
* vigorous exercise

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Asthma is a chronic lung condition. Inflammation, increased mucus, and muscle tightening cause the airways to narrow, and as a result, air can’t move through the lungs as well as it should, which makes it difficult to breathe.

For reasons we do not completely understand, asthma is becoming more common each year, especially in children. According to the World Health Organization (WHO), about 300 million people in the world have asthma. About 3 million Canadians suffer from this condition.

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There are several factors that can trigger asthma symptoms. These factors are known as asthma triggers. Everybody has their own set of triggers.

Common asthma triggers include:

* allergens (substances that trigger allergies by causing an immune response):
o mould
o pollen
o animal dander
o cockroaches
o dust mites
* irritants (substances that irritate the airways):
o smoking
o secondhand smoke
o strong odours, such as paint fumes
o cold air
o air pollution
o humidity
* food additives (e.g., sulphites)
* viral infections
* physical activity
* stress
* gastroesophageal reflux disease (GERD)
* certain medications (e.g., beta-blockers, ASA (Aspirin®) and other nonsteroidal anti-inflammatory drugs (NSAIDs))

Asthma triggers irritate your airways and cause them to become narrow and inflamed, which makes it difficult to breathe. You can control asthma symptoms and reduce your need for medication by avoiding exposure to common asthma triggers.

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