1365
Although clinical evidence is somewhat conflicting , probably in large part due to methodological issues , animal studies have consistently demonstrated that n - 3 PUFA are indispensable for proper brain development , may enhance cognitive function in healthy , adult individuals and attenuate cognitive impairment in aging and age - related disorders , such as dementia .
 Chemical: PUFA
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: PUFA 
Answer:
 Chemical: PUFA