ABC News | Grapefruit juice could increase efficacy of cancer drug Newstrack India ... uproar, parliament adjourned till noon · Corticosteroids 'ineffective for acute sinusitis' ... In the study, they found that eight ounces a day of grapefruit juice can slow the body's metabolism of a drug called sirolimus, which has been approved ... Grapefruit juice shown to boost drug's anti-cancer properties Grapefruit juice may improve cancer drug Grapefruit Juice Could Help Cancer Patients Save Money |