What Role Do Genetics Play In Development Of Asthma?


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In today’s world, new health challenges have emerged and there is an epidemic of certain health conditions. Asthma is one of them. Every person knows at least one or two people who suffer from this respiratory issue. In fact, it is becoming more and more common each day.

Asthma is not a big threat to health if it is managed properly. However, if triggers and attacks are not controlled properly, a person can face a big number of complications which may need immediate hospitalization. Therefore, it is obligatory to know about what are the causes behind the condition and what might make it worse.

According to the present research, there are a variety of different factors behind asthma. When talking about these factors, a common question that is raised by many people is whether asthma can be passed down.

In many of the cases, genetics are indeed to be blamed for the development of asthma. Others may other reasons for having the issue. This article will tell you about the different types of asthma that are inherited or passed down.

What Are the Different Types Of Genetic Asthma?

Asthma is one of the most commonly diagnosed respiratory conditions in the world. According to the Centre For Disease Control and Prevention, 8.3 percent of the population in the United States alone suffer from asthma. The condition can affect people of all genders or belong to any age group.

Though there are many reasons for the condition, some people have a higher risk of having it. There is a particular genetic component in different types of asthma. Some of those are:

  • Occupational asthma
  • Adult-onset asthma
  • Asthma caused by the chronic obstructive pulmonary syndrome
  • exercise-induced bronchospasm
  • Non-allergic asthma
  • Allergic asthma

Family history is an important factor when it comes to calculating the risk a person has of developing asthma. Hence, asthma can be due to genetic reasons. Many researchers even claim that it is almost always passed down from the parent to a child.

In fact, a review from 2014 showed that a person’s chances of developing asthma are almost 70% dependent on genetics. This means that genes and family history has a major role in this matter.

However, this does not mean that genetics is the only reason for asthma. People with no family history of the condition can also develop it. In a similar way, it is also possible for a person with a genetic disposition to not develop it.

In addition, asthma in adulthood is highly unlikely to be a result of genetics. Asthma in adults is usually due to environmental factors and health-related issues. These factors are also responsible for making the condition worse. So, it is always good to know about these especially to avoid potential attacks or lower the risk of developing asthma.

What Causes Asthma?

Although there is a lot of research on asthma, scientists are still not sure about the exact causes of asthma. Till now, it is known that environmental factors and genes both play a major role in the development as well as the severity of the health problem.

A number of triggers have also been identified but these may vary from one person to another. Some of the most common ones are:

  • Stress
  • Irritants from the air
  • Respiratory conditions and infections
  • Acid reflux
  • Exercise
  • Cold air
  • Preservatives used in drinks and food
  • Medication
  • Allergens
  • Tobacco smoke

Secondly, the risk of having asthma is also increased if a person smokes, is overweight, has a job which includes exposure to irritants and allergens, is exposed to secondhand smoke very often.

To control asthma, doctors often prescribe medication. To manage the condition effectively, prevention is also equally important. In order to avoid attacks, it is better to stay away from potential triggers and take medication as per the doctor’s recommendation. A health professional should be contacted in case of an attack or emergency.


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Hilary Jensen

Hilary is a Literature graduate with expertise in Creative Writing. Her writing interests are mental health, ethics, and news reporting. You will find her work associated with relevant research and references that shows her passion for delivering authentic information to readers.

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