What can neem leave/juice cure?

Many conditions: Neem is most commonly uses topically as neem oil for a wide variety of skin conditions, but neem can also be used internally for a wide variety of conditions, from infections to arthritis to diabetes. While neem has a long history of folk use for many conditions, research related to most internal uses is limited at best. See http://www.naturalalternativeremedy.com/9-neem-benefits-and-uses/