Post Nasal Drip (or PND). Mucus draining down the back of the throat over the back of the tongue where the bad breath bacteria live. They feed off the proteins in mucus and create strong odors. If you still have your tonsils, you may be harboring a higher number of the bacteria in the crevices of your tonsils.
Phenomena are identified from nursing practice. Nursing theories describe these phenomena or provide a framework to deal with these questions or problems. Nursing research is used to describe the phenomena or address the questions and problems. The results of nursing research are then applied to nursing practice.
Theory constitutes a systematic form of perception of the world with the purpose of understanding it, becoming the way to characterize a phenomenon and to point the aspects that identify it(2). The application of a theory to the nursing practice seems to represent a growing interest among nurses.