This file photo dated 04 November, 1991 shows US President Ronald Reagan giving a speech at the dedication of the library bearing his name in Simi Valley, California. He was US president from 1981 to 1989 and retreated from public life after it was revealed he was suffering from Alzheimer's disease. (Photo by J. David Ake, AFP/Getty Images)
Glenn Campbell performs during The Goodbye Tour at the Ryman Auditorium on January 3, 2012 in Nashville, Tennessee. (Photo by Ed Rode/Getty Images)
Picture dated 18 May 1991 of US actor Charles Bronson during the 44th Cannes film festival, southern France. Bronson died 30 August 2003 in Los Angeles of complications from pneumonia. (Photo by Gerard Julien, AFP/Getty Images)
392653 01: Actor Burgess Meredith performs in the television show 'The Twilight Zone.' (Photo Courtesy of Sci Fi Channel/Getty Images)
LOS ANGELES - AUGUST 31: Actor James Doohan recieves his star on the Hollywood Walk of Fame August 31, 2004 in Los Angeles, California. (Photo by Mark Mainz/Getty Images)
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No, it's not just hummus and feta! The diet includes plant-based foods, nuts and beans, along with wine and healthy fats and oils.
The doctors compared patients who followed a Mediterranean-like diet and those who ate foods that were high in fat and sugar.
Those who had a more healthy lifestyle did significantly better on memory tests and tested for fewer Alzheimer's-related proteins in their bodies.
Patients who followed a Western-like diet had more proteins associated with the disease.
So go ahead (if you're of-age, of course) -- that glass of wine may be better for you than you thought!