Ounce-per-ounce they are packed with nutrients -- touting 60% more potassium than bananas -- and loaded with lutein which protects against prostate cancer and eye diseases says the food scientist at Wholly Guacamole, a guacamole maker.

Studies show that their "good fats" effectively reduce cholesterol levels. Now, researchers at Ohio State University's Comprehensive Cancer Center say that avocados have cancer fighting power, against oral cancer and possibly other types of cancer.