Tobacco refers to the leaves of plants in the genus Nicotiana, primarily Nicotiana tabacum and Nicotiana rustica, which are cultivated and processed for use in products such as cigarettes, cigars, pipe tobacco, snuff, and chewing tobacco. Tobacco contains nicotine, a highly addictive alkaloid, and has been both a cultural commodity and a significant agricultural crop […]
Tuberculosis (TB) is a contagious infectious disease caused primarily by the bacterium Mycobacterium tuberculosis. It most commonly affects the lungs (pulmonary TB), but it can involve nearly any organ system, including the lymph nodes, bones, kidneys, and central nervous system. Transmission occurs through airborne droplets when an infected individual coughs, speaks, or sneezes. Despite being
Sanitation refers to the practices, systems, and infrastructure used to maintain hygiene and prevent disease by safely managing human waste, wastewater, and solid refuse. Effective sanitation is essential for public health, environmental protection, and societal well-being. Definition and Scope 📜 History and Development 🏛️ Importance and Public Health Impact 🩺 Types of Sanitation Systems 🛠️