https://www.youtube.com/watch?v=QEGdvXtzMI4(http://www.autoadmit.com/thread.php?thread_id=4550217&forum_id=2#40335954)
And it's because humans need saturated animal fat since we're made out of it.(http://www.autoadmit.com/thread.php?thread_id=4550217&forum_id=2#40336012)