Is it evil thing?!
Answers: if i eat beef,i feel very sick.if i eat pork,fish,vegetables,fruits , i feel good
your stomach is having to much of hard time to break down the beef, its one of the hardest thing to break down food wise.
maybe its a bacteria
Nothing to do with good or evil ... something in the beef cannot be digested properly by your body.
Beef has more fibers that need to break down plus more fatty than pork the other white meat.