Tuberculosis (TB) is a bacterial infection caused by Mycobacterium tuberculosis. Several factors can increase the risk of developing TB. Here are some of the key risk factors:Close Contact with an Infected Person: TB is primarily spread through the air when an infected person coughs, sneezes, or talks. Close and prolonged...
Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory lung disease that causes obstructed airflow from the lungs. The primary characteristic of COPD is difficulty breathing, which worsens over time. COPD is typically caused by long-term exposure to irritants that damage the lungs and airways, most commonly cigarette smoke. However,...
Cough variant asthma (CVA) is a type of asthma where the primary symptom is a persistent dry cough rather than the typical wheezing or shortness of breath seen in classical asthma. The exact causes of cough variant asthma are not fully understood, but they are thought to be similar to...
Lung cancer can be broadly categorized into two main types: non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC).Non-Small Cell Lung Cancer (NSCLC):Adenocarcinoma: This is the most common type of lung cancer, accounting for about 40% of cases. It typically starts in the cells that line the alveoli...
