How Vitamin D Reduces the Risk of Asthma

Asthma is a serious health problem in the United States and in other developed countries around the world.  According to the Center for Disease Control and Prevention (CDC), the federal agency charged with tracking incidence of disease, about 17.7 million adults and 6.3 million children in the U.S. are living with asthma - a respiratory condition caused by inflammation and obstruction of the airways. While the causes of asthma remain unclear and no cure for this disease has been found, its symptoms - such as wheezing, shortness of breath, coughing, and chest pain and tightness - can be triggered by exposure to allergens and irritants. These include grass or weed pollen, molds, dust mites, pollutions, smoke and other elements found in the air of urban environments. There are medications which can help manage symptoms of these asthma attacks, but a new study suggests that a well-known and easily available vitamin may reduce the risks of