SHAFAQNA- (It has been narrated) from Abu Abdullah (A.S) having said: ‘If the people knew what was in the apple, they would not cure their sick ones except by it’.
He (the narrator) said, ‘And some of them have reported from Abu Abdullah (A.S) having said: ‘Feed the apple to your feverish ones, for there is none from the things more beneficial than the apple’.
[Al Kafi, V 6, The Book of Foodstuffs, Ch 102 H 10]
Ref: Hubeali.com