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accurate – adj. free from mistakes or errors
regular – adv. happening at times that are equally separated
scan(s) – n. the act or process of using a special machine to see the inside of something such as a part of the body
spinal – adj. of, relating to, or affecting the line of connected bones down the middle of the back
diagnose(d) – v. to recognize a disease or illness in someone
subjective – adj. based on feelings or opinions rather than facts
plaque – n. a change in brain tissue that occurs in Alzheimer's disease
habit(s) – n. a usual way of behaving
mutation(s) – n. a change in the genes of a plant or animal that causes physical characteristics that are different from what is normal
factor(s) – n. something that helps produce or influence a result
