Levels of Selenium and Magnesium Impact Asthma Patients: Finds Scientific Reports
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Scientists at the Chongqing Medical University, China, have conducted a study to investigate the association between blood levels of heavy metals and all-cause mortality among adult patients with asthma.
The study is published in the journal Scientific Reports.
Asthma is a respiratory disease caused by bronchospasm and airway inflammation. The most common symptoms are breathing difficulty, chest constriction, wheezing, coughing, and thick mucus production.
The prevalence of asthma is increasing steadily worldwide, partly because of increasing environmental exposure to allergens, air pollutants, and tobacco smoke. Currently, more than 350 individuals are living with asthma worldwide, and around 250,000 annual fatalities are directly linked to the condition.
Heavy metals, including lead, cadmium, mercury, and manganese, are ubiquitous in the environment and can enter the lungs and bloodstream through ingestion of food or water and inhalation of polluted air. Exposure to these heavy metals can trigger inflammation and oxidative stress, which in turn can cause lung damage and premature death.
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