In a definition essay, you explain the meaning of a certain term by giving a detailed description of it, and support your definition with clear examples or facts. Such explanations are needed if a term is special, abstract, disputed or does not have a common meaning.
Dysphagia has many possible causes and happens most frequently in older adults. Any condition that weakens or damages the muscles and nerves used for swallowing may cause dysphagia. For example, people with diseases of the nervous system, such as cerebral palsy or Parkinsonâs disease, often have problems swallowing.
Dysphagia is a difficulty swallowing and can be caused by a number of factors. A typical swallow involves several different muscles and nerves; it is a complex process: Seeing, smelling, and tasting - when we see, smell, or taste food or drink we produce saliva, which is designed to make chewing easier.