Symptom - A subjective indication of the presence of disease or a departure from the body’s normal state of functioning. ⏎
Suburbanization - The process of land conversion and development around the periphery of major cities.⏎
Tissue Culture - The process by which tissues are intentionally grown under controlled conditions.⏎
World Health Organization (WHO) - The directing and coordinating authority for health within the United Nations system, responsible for providing leadership on global health matters, shaping the health research agenda, setting norms and standards, articulating evidence-based policy options, providing technical support to countries and monitoring and assessing health trends.⏎
Yeast - A broad group of microscopic fungi that includes harmless forms of yeast used in baking and alcoholic fermentation as well as pathogenic species that can cause disease.⏎