"Mead acid is found in large quantities in cartilage."
If this is true (wiki doesn't give a citation for it), could it explain some of the beneficial effects of gelatin?
"Mead acid has been found to decrease osteoblastic activity. This may be important in treating conditions where inhibition of bone formation is desired."
This could be why all the EFA deficient, highly metabolic rats in experiments grow to a smaller size.