Chronic Obstructive Pulmonary Disease (COPD) is a chronic lung disease that causes obstructed airflow in the lungs, making it difficult to breathe. The two main types of COPD are chronic bronchitis and emphysema. The primary cause of COPD is long-term exposure to irritants that damage the lungs, such as cigarette smoke, air pollution, and occupational […]
An allergy is an overreaction of the immune system to a substance that is normally harmless. This substance, known as an allergen, can be found in a variety of environmental sources, such as pollen, dust, or animal dander, as well as in certain foods and medications. The symptoms of allergies can vary depending on the […]
Fever is a medical condition that is characterized by an increase in body temperature above the normal range of 98.6°F (37°C). Fever is typically a sign that the body is fighting off an infection or other illness. The most common causes of fever include viral and bacterial infections, such as the flu or pneumonia. Other […]
