drank a serving of grapefruit juice three times a day lost 3.3 pounds.
Additionally, many patients in the study lost more than 10 pounds.
The Scripps study indicates the weight loss is due to a link between grapefruit and insulin.
Another theory is that the fruit's low glycemic index is able to help the body's metabolism burn fat.
The comedy singer "Weird Al" Yankovic has recorded a song called "Grapefruit Diet" on his album Running With Scissors.