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And the fact that these papers are now showing us that behaviorally these models do what humans do , that is they behave more poorly as they age if they have Alzheimer 's genes , and that these treatments can reverse that , it just means we have that much more confidence these treatments will work in humans .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
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