In Best Life magazine (April 2009), someone wrote into the health column, asking if an orange a day would automatically reduce his blood pressure.
No, replied cardiologist Steven E. Nissen, MD.
But he did offer this advice:
"To lower your blood pressure without (or in addition to) medication, exercise vigorously for 30 minutes a day, lose weight, consume a rainbow of fruits and vegetables, and reduce your salt intake. The last two strategies alone can lower your blood pressure by up to 14 points."