Grapefruit is famously juicy and tangy, with its yellow, pink or ruby flesh reaching peak ripeness in the winter months. The citrus gets a lot of buzz during cold and flu season and weight-loss season ...

If you remember those restrictive grapefruit diets from the 1980s, you might wince at the idea of putting the words "grapefruit" and "diet" together ever again. While the diet has gone in and out of ...