Like clothing and hairstyle trends, fad diets come and go, only to return in slightly new variations years later. Perhaps one of the best-known diets that somehow keeps returning to the mainstream is the grapefruit diet.
Maybe you watched your mom or your grandmother religiously eat a grapefruit with one of those tiny spoons before every meal in an effort to lose weight. Or maybe you had a friend who would drink a glass of grapefruit juice each morning.
Despite the fact that science hasn’t proven the grapefruit diet to be effective, people continue to rely on this slightly sour citrus as a weight loss tactic.
What Is the Grapefruit Diet?

The grapefruit diet has been around in some form or another since the 1930s and endorses…