Definition of Alzheimer's. 1  Alzheimer's disease is a progressive, degenerative disorder that attacks the brain's nerve cells, or neurons, resulting in loss of memory, thinking and language skills, and behavioral changes. Origin of the term Alzheimer's disease dates back to 1906 when Dr. Alois Alzheimer, a German physician, presented a case history before a medical meeting of a 51-year-old woman who suffered from a rare brain disorder. 2  A brain autopsy identified the plaques and tangles that today characterize Alzheimer's disease.
Since the release of the first novel, Harry Potter and the Philosopher's Stone, on 30 June 1997, the books have gained immense popularity, critical acclaim and commercial success worldwide.
Harry Potter and the Philosopher's Stone was first published  in the UK on the 26th June 1997. It was released on the 1st  September 1998 in the US with the title Harry Pott â¦ er and the  Sorcerer's Stone.  The movie was released on the 16th November 2001 in the UK and US.he first book and movie in the Harry Potter series, in  America it is known as Harry Potter and the Sorcerer's  Stone.    The story follows Harry, an eleven year old â¦ boy who discovers he is  a wizard and begins attending Hogwarts School of Witchcraft and  Wizarding.