Step 1 : Introduction to the question "What is mycology?"
...Mycology is the scientific study of fungi. This is the group of organisms that includes yeasts and mushrooms. Many fungi are important in making medicine and in the medical industry. Research in the field of mycology has led to the development of multiple drugs, including antibiotic drugs such as penicillin, tetracycline, and streptomycin. Mycology is also beneficial to the dairy, wine, and baking industries, and in the production of inks and dyes. Source: Britannica.com
