Understanding Oxygen Levels and Their Importance Oxygen levels in the human body, often referred to as oxygen saturation, indicate how efficiently oxygen is being transported by the bloodstream to various organs and tissues. Oxygen saturation is crucial for the body’s overall physiological functions, as all cells require a steady supply [...]

Introduction: The Silent Struggle of Elderly Smokers In the historical context of Old Lucknow, particularly in neighborhoods such as Aliganj and Aminabad, chronic bronchitis has emerged as a serious health issue predominantly affecting elderly smokers. This condition, characterized by long-term cough and sputum production, is frequently underestimated and often dismissed [...]