Increased is a form of Increase. Increase is the opposite of Reduce. Reduce is related to Diet. 
Look is the opposite of Blind. Blind is related to Unable. Unable is the opposite of Able. Able is related to Can. 
Increased --FormOf--> Increase <--Antonym--> Reduce <--RelatedTo--> Diet 
Look <--Antonym--> Blind <--RelatedTo--> Unable <--Antonym--> Able <--RelatedTo--> Can 