The first is the famous protein myth, which centres around the idea that without meat in their regular diet vegans and vegetarians are bound to be protein deficient. (organictalks.com)
It explains the entire fruit myth (like we found out about protein myth a while back) in detail. (greensmoothiegirl.com)
That being said, you don't have to slave to the 30 - gram protein myth anymore — your body is capable of processing more than 30 grams of protein per serving and athletes with a lot of muscle mass and lifters over 40 may need to take much larger doses. (fitnessandpower.com)