Coughing, Symptom of Asthma

Asthma is a disease of the human respiratory system, which constricts the air passage, normally responding to a "trigger" like an exposure to an allergen, physical exercise, cold air, as well as emotional stress. This narrowing could cause symptoms like breathlessness, wheezing, chest tightness, and coughing. Between asthmatic episodes, most people with the condition feel fine.

This ailment is a chronic inflammatory condition wherin the airways create an increased responsiveness to a particular stimuli, shown by bronchial hyper-responsiveness, increased mucus production, inflammation, and also intermittent airway obstruction. Asthma can be from mild to life harmful, but can generally be controlled using a combination of prescription drugs, inhalers and modifications in lifestyle. People have dedicated to asthma recently because of its rapidly increasing number of individuals, affecting up to a quarter of urban children. Genes can contribute to cases of asthma, but there's not any obvious pattern associated with inheritance found. This is a thoroughly complex ailment that's influenced through many various developmental, hereditary, and the environmental factors, which work  together to  create the widespread condition.

Breast-fed infants have proved to be less susceptible to asthma.The number of people with asthma continues to grow. One in 12 people (about 25 million, or 8% of the U.S. population) had asthma in 2009, compared with 1 in 14 (about 20 million, or 7%) in 2001.¹

For the period 2008–2010, asthma prevalence was higher among children than adults.²

In 2008 less than half of people with asthma reported being taught how to avoid triggers. Almost half (48%) of adults who were taught how to avoid triggers did not follow most of this advice.¹

It is estimated that the number of people with asthma will grow by more than 100 million by 2025.³

More than half (53%) of people with asthma had an asthma attack in 2008. More children (57%) than adults (51%) had an attack. 185 children and 3,262 adults died from asthma in 2007.¹


References :

1. Centers for Disease Control and Prevention, Vital Signs, May 2011.
2.  Trends in Asthma Prevalence, Health Care, and Mortality in the United States, 2001-2010, CDC, May 2012.
3.  World Health Organization. Global surveillance, prevention and control of chronic respiratory diseases: a comprehensive approach, 2007.