923
The " Feingold diet " is an elimination diet initially devised by Benjamin Feingold following research in the 1970 s that appeared to link food additives with hyperactivity ; by eliminating these additives and various foods the diet was supposed to alleviate the condition .
 Benjamin Feingold
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Benjamin Feingold