Definition: The term "acidology" refers to a research field that explores the chemical properties and biological mechanisms involved in the effects of acid (such as hydrogen peroxide, acetic acid) on various cells and tissues within living organisms. Acidology was first developed in the 1950s by chemists, microbiologists, and biochemists, who sought to understand the complex interplay between the chemical environment of an organism's cells and the cellular processes that regulate this environment. This research is aimed at understanding how these environmental factors can influence a cell's ability to carry out normal physiological functions. The specific role of acidology in living organisms has been studied by chemists, biochemists, and other researchers who have used it to develop new therapeutic strategies for treating a wide range of diseases, from cancer to neurological disorders. The field of acidology continues to evolve with the discovery of new chemical compounds and mechanisms of action. The term "acidology" is often used in conjunction with the broader field of biochemistry, where scientists study the biochemical processes that occur in living organisms, including their chemical composition and function within different cell types.