You may already know not to pour cooking oil down the sink, but properly disposing of it in the trash presents its own challenges.

Does rubbing castor oil in your belly button have any health benefits? Experts explain how "naval pulling" with castor oil ...

Castor oil is a vegetable oil extracted from the pressing ... more oil than you could rub onto your belly, then you also put a heating pad over it to help absorb,” says Mulvihill.