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When did humans learn that the Earth is not the center of the universe?
Menstruation
A monthly biological process in females that involves the shedding of the uterine lining.
Dementia
The most common mental disorder of the elderly, covering several diseases, each of which includes serious memory loss accompanied by declines in other mental functioning.
Mental Disorder
A condition characterized by alterations in thinking, mood, or behavior associated with distress or impaired functioning.
Memory Loss
The inability to remember information or events that one typically would be able to recall, often due to factors like aging, disease, or trauma.
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