Sweet, tangy grapefruit is the youngest sibling in the citrus family. Did you know it’s a cross between a pomelo and a sweet orange? While people have been cultivating lemons, limes and oranges ...

By Veronique Greenwood You may be among the millions of people who have seen a surprisingly specific warning like this on the labels of drugs you take: Avoid eating grapefruit or drinking ...

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 ...