👉 Pharmacodynamical refers to the study of how drugs interact with the body's systems and organs. It encompasses a wide range of topics, including drug metabolism, absorption, distribution, elimination, and interaction with other substances in the body. In simpler terms, pharmacodynamic studies focus on understanding how changes in the body's chemistry or physiology can affect the effectiveness of a drug. For example, researchers might study how certain drugs interact with cells, tissues, organs, or even with hormones to determine if they