Cumin seeds contain naturally occurring substances that work as antioxidants. Cumin appears to have the ability to keep cancer cells from multiplying, according to some experiments. In one study, rats that were fed cumin were protected from colon cancer. Traditional medicine practitioners have recommended cumin for the treatment of diarrhea for centuries. Cumin was used as a part of an herbal drug trial for diabetes. The drug successfully helped people with diabetes to manage their condition. The oil extracted from cumin seeds has been used as an effective larvicide and antiseptic agent.