Drug discovery is the process by which potential drugs are discovered or designed. In the past most drugs have been discovered either by <answer>isolating the active ingredient from traditional remedies or by serendipitous discovery</answer>. Modern biotechnology often focuses on understanding the metabolic pathways related to a disease state or pathogen, and manipulating these pathways using molecular biology or biochemistry. A great deal of early-stage drug discovery has traditionally been carried out by universities and research institutions.
What is involved in drug discovery?
isolating the active ingredient from traditional remedies or by serendipitous discovery