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Asthma Facts – The History Of Asthma Diagnosis And Prevalence

Asthma has been prevalent for thousands of years as we know. Asthma and wheezing were formerly considered acts of god to acts of evil spirits. Studies of the early twentieth century regarded this condition as a purely psychosomatic illness. Ultimately this research disproved these erroneous psychiatric theories and proved that it was a true physical illness with multiple causes.

An important study was done by Dr. H. Salter in 1864 to prove that asthma is a purely physical condition. He discovered that animal dander could trigger asthma and when the subject was in an environment free of animal dander, he stopped experiencing states of this condition.

There are many known and unknown causes of asthma. For example, the disease may be hereditary, but it does not always follow a predictable line of inheritance. This means it can jump from one generation to another or appear in cousins, uncles or aunts. Many asthmatics who do not have a family history of the disease could have had grandparents or parents who were misdiagnosed with chronic bronchitis or emphysema when they could have actually had asthma.

The presence of an asthma gene does not always mean that someone will develop the disease. Many brothers and sisters of asthmatics carry the asthma gene but never show outward signs of the disease.

Asthma is widespread in almost all parts of the world, but it is worse in some countries than in others. The disease is most prevalent in Western Europe, Great Britain and North America, where nearly 10 percent of the total population has asthma.

Asthma is more common in urban than rural areas. It is probably due to the environment in which townspeople may live. High levels of pollution in urban areas are a trigger for asthma. Lack of clean air in the indoor environment, dietary habits, stress levels cause asthma in much higher proportions. Indoor air pollution has a greater impact on causing asthma than outdoor air pollution. Most homes and offices today are fully air-conditioned and we rarely open the window to let in fresh air.

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