Lung disease affects millions worldwide, with the World Health Organization estimating over 3 million deaths annually caused by chronic respiratory diseases. The lungs, essential for oxygenating blood and expelling carbon dioxide, are central to the respiratory system’s function. Despite their importance, early signs of lung disease often go unnoticed or are mistaken for minor issues, leading to delayed diagnosis and treatment. Recognizing overlooked symptoms is crucial for improving outcomes and reducing the global burden of lung disease.
Health
37. Increased Sputum Color Changes Changes in sputum color—from clear to yellow, green, brown, or even red—can provide important clues about lung health. In healthy individuals,…