Introduction A cough is one of the body's natural defense mechanisms that helps clear mucus, irritants, allergens, and germs from the airways. Most coughs caused by common colds or viral infections improve within a week or two with adequate rest, hydration, and supportive care. However, when a cough continues for more than three weeks, it should never be ignored. A persistent cough can interfere with daily life, disturb sleep, cause chest discomfort, and sometimes indicate an

Introduction Summer is often associated with vacations, outdoor activities, and bright sunny days. However, for many individuals, rising temperatures and seasonal environmental changes can also trigger breathing problems and worsen existing respiratory conditions. Increased heat, dust, air pollution, dehydration, pollen exposure, and allergens can significantly affect lung health, especially for individuals with asthma, allergies, or chronic respiratory illnesses. Many people