As the doctor started his physical on Jen, he got a curious look on his face.
"We took some xrays of you whilst you were asleep,  and we noticed some abnormalities. For instance, you seem to be lacking a digestive tract, as well as having a underdeveloped liver and no kidneys. Is this due to your power?"
Jen nodded slowly.
"I dont need them. I feed of other peoples energy."