- World Alzheimer's Day is celebrated every year on September 21st.
- It is celebrated to raise awareness about Alzheimer's disease and dispel myths about it.
- It was first described by Alois Alzheimer, a German psychiatrist and pathologist, in 1906.
- Its symptoms include memory difficulties, mood swings, and disorientation.
- It can be genetically inherited or caused by head injuries, depression, and high blood pressure.
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