When we think citrus, oranges are likely the first fruit to come to mind. But don't forget about lemons, limes, and grapefruit. Here are five reasons you should be eating more citrus right now!1. Vitamin C Can Put A Hold On That Cold Vitamin C from citrus (or any source for that matter) will not prevent a cold, but as much as 500 mg per day has been shown to cut the duration of a cold down by as much as half. 2. Antioxidants Promote Heart Health Lemons and limes, in particular, contain unique compounds that are believed to keep the heart in tip top shape when consumed raw. That means, juicing or using the zest to finish dishes like soups and salads.