Pneumonia is a serious respiratory infection affecting millions worldwide. It occurs when the air sacs (alveoli) in one or both lungs become inflamed, often filling with fluid or pus, which makes breathing difficult and reduces the oxygen supply to the body. While pneumonia can be treated effectively, it remains a leading cause of hospitalization, particularly … Read more
Pneumonia is a lower respiratory tract infection characterized by inflammation of the lung parenchyma. It results in the accumulation of cellular and exudative material within the alveoli, impairing normal gas exchange. Pneumonia can be caused by various infectious agents, including bacteria, viruses, fungi, and parasites. Etiopathogenesis 1. Infectious Agents: – Bacteria: Common bacterial causes … Read more
Air Pollution Air pollution refers to the presence of harmful pollutants in the Earth’s atmosphere, which can adversely affect human health, the environment, and overall well-being. The sources of air pollution are diverse and include industrial emissions, vehicular exhaust, agricultural activities, and the burning of fossil fuels. As urbanization and industrialization continue to escalate globally, … Read more
