Asthma, cause and prevention

Asthma is a condition in which your airways narrow and swell and produce extra mucus. This can make breathing difficult and trigger coughing, wheezing and shortness of breath.

Asthma can't be cured, but its symptoms can be controlled.

Symptoms

Asthma symptoms vary from person to person. You may have infrequent asthma attacks, have symptoms only at certain times — such as when exercising — or have symptoms all the time.

Asthma signs and symptoms include:

• Shortness of breath
• Chest tightness or pain
• Trouble sleeping caused by shortness of breath, coughing or wheezing
• A whistling or wheezing sound when exhaling (wheezing is a common sign of asthma in children)
• Coughing or wheezing attacks that are worsened by a respiratory virus, such as a cold or the flu

Signs that your asthma is probably worsening include:

• Asthma signs and symptoms that are more frequent and bothersome
• Increasing difficulty breathing (measurable with a peak flow meter, a device used to check how well your lungs are working)
• The need to use a quick-relief inhaler more often

For some people, asthma signs and symptoms flare up in certain situations:

• Exercise-induced asthma, which may be worse when the air is cold and dry
• Occupational asthma, triggered by workplace irritants such as chemical fumes, gases or dust
• Allergy-induced asthma, triggered by airborne substances, such as pollen, mold spores, cockroach waste or particles of skin and dried saliva shed by pets (pet dander)

Causes

It isn't clear why some people get asthma and others don't, but it's probably due to a combination of environmental and genetic (inherited) factors.

Asthma triggers

Exposure to various irritants and substances that trigger allergies (allergens) can trigger signs and symptoms of asthma. Asthma triggers are different from person to person and can include:

• Airborne substances, such as pollen, dust mites, mold spores, pet dander or particles of cockroach waste
• Respiratory infections, such as the common cold
• Physical activity (exercise-induced asthma)
• Cold air
• Air pollutants and irritants, such as smoke
• Certain medications, including beta blockers, aspirin, ibuprofen (Advil, Motrin IB, others) and naproxen (Aleve)
• Strong emotions and stress
• Sulfites and preservatives added to some types of foods and beverages, including shrimp, dried fruit, processed potatoes, beer and wine
• Gastroesophageal reflux disease (GERD), a condition in which stomach acids back up into your throat

Prevention

Keeping good quality air purifiers at home / workplace will definitely keeps Asthma away but choosing good air purifiers may be little tricky for you. There are many air purifier companies selling HEPA with ACTIVATED Carbon filter enabled air purifiers to clean air but actually they are big health threat if its filters are NOT replaced on time and also it has limitation on purifying smoke. Its side effects start when its TRAPPED bacteria / germs starts spreading faster than normal after its filter gets dirty and not replaced.

Let me help you choose best air purifier to overcome this situation : prefer #shuddh air purifiers which are built on latest French technology (ACESP) which requires no filter replacement, its most important feature is that it KILLS bacteria / germs which means even if you don't clean its filter (clean filter once in 4-6 months, filter is easy to wash with hot water, takes 2 minutes approximate). It protects from Airborne substances, such as pollen, dust mites, mold spores, pet dander or particles of cockroach waste, smoke (TVOC, HCHO), bacteria / germs.

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