Essay On Smoking Is Injurious To Health Introduction: Smoking is a prevalent habit that has persisted throughout history despite growing awareness of its detrimental effects on health. The evidence is unequivocal – smoking is injurious to health. This essay explores the various health risks associated with smoking, emphasizing the importance of raising awareness and implementing measures to curb this hazardous habit. Body: Respiratory System Damage: Smoking is a major cause of respiratory system damage. The inhalation of tobacco smoke exposes the lungs to harmful substances such as nicotine, tar, and carbon monoxide. Chronic exposure to these substances leads to conditions like chronic bronchitis and emphysema. Moreover, smoking is the primary cause of lung cancer, claiming countless lives annually. Cardiovascular Complications: The negative impact of smoking extends beyond the respiratory system to cardiovascular health. Smoking contributes to the narrowing and hardening of arterie...