One common use for the AND function is to expand the usefulness of other functions that perform logical tests. For example, the IF function performs a logical test and then returns one value if the test evaluates to TRUE and another value if the test evaluates to FALSE. By using the AND function as the logical_test argument of the IF function, you can test many different conditions instead of just one. Syntax.
a serious mental disorder that prevents one from living a safe and normal life doctors were able to treat the patient's dementia with drugs and thus allow him to function on his own Synonyms aberration, insanity, derangement, lunacy, madness, mania, rage [archaic]Related Words neurosis, psychosis; instability, irrationality, unreasonableness; ...
Causes of Dementia. There are many potential dementia causes. The most common cause is Alzheimer's disease, which is responsible for more than half of all dementia cases. Other common causes of the condition include a brain tumor, brain cancer, hypothyroidism, and vitamin B12 deficiency. Dementia is a descriptive term for a collection of symptoms (such as personality changes, memory problems, and behavioral problems) that can be caused by a number of conditions that affect the brain.