Asthma
Asthma occurs when tissue in your throat begins to expand or swell. Muscles in these passages become tighter and cells begin to produce some sticky substance, which makes airways even smaller.
Health and Medicine
diseases
Health and Medicine
Cancer – A Killer Disease
Cancer is a dangerous disease in which certain cells in our body grow in an uncontrolled way. It is one of the world’s most serious illnesses. Together with heart attacks, it kills more people than any other disease in the world.