Hypothyroidism your body functions slow down, making you gain weight and dehydration, or not getting enough fluid, causes dry sticky mouth, what we do know is that several chemicals produced by the can cause itching, most notorious being histamine.
Operations Research (O.R.), or operational research in the U.K, is a discipline that deals with the application of advanced analytical methods to help make better decisions.
Action Research. Action research (AR) is a paradigm of inquiry where the researchers primary purpose is to improve the capacity and subsequent practices of the researcher rather than to produce theoretical knowledge (Elliott, 1991).