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Hormonal changes in adolescent girls and adult women associated with their menstrual cycle can lead to a worsening of asthma. Some women also experience a worsening of their asthma during pregnancy whereas others find no significant changes, and in other women their asthma improves during their pregnancy. [13] Psychological stress. There is ...
It occurs in most people with asthma and up to 20% of people without asthma. [116] Exercise-induced bronchoconstriction is common in professional athletes. The highest rates are among cyclists (up to 45%), swimmers, and cross-country skiers. [117] While it may occur with any weather conditions, it is more common when it is dry and cold. [118]
Without intervention, both may lead to decreased oxygen in the blood , elevated carbon dioxide level in the blood (hypercapnia), inadequate oxygen perfusion to tissue , and may be fatal. Respiratory arrest is also different from cardiac arrest, the failure of heart muscle contraction. If untreated, one may lead to the other. [2]
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It is the sum of changes that occur in the airways of some asthmatic people compared to people without the disease. [ 1 ] [ 2 ] Asthma is characterised, in part, by recurrent episodes of reversible airway obstruction ; however, in some patients, a degree of irreversible airway obstruction develops over time, leading to lung function decline and ...
Asthma is a common condition and affects over 300 million people around the world. [3] Asthma causes recurring episodes of wheezing, breathlessness, chest tightness, and coughing, particularly at night or in the early morning. [4] Exercise-induced asthma is common in asthmatics, especially after participation in outdoor activities in cold weather.
An estimated 25 million people in the U.S. have asthma, but in communities of color, the respiratory disease can be especially dire. 'I don't want to die': Heat waves and climate change are taking ...
The environment can be a factor for people to develop asthma and for those who already have the condition. And climate change may make things worse.