medicine

Medical science is native now.
Medical science is inclusive social mind(of self thoughts,after thoughts,other thoughts & beyond thoughts).
Engineer means one who changes system from deception to truth.
Present engineers need learn bio & info. 
Teaching engg.,agriculture & medicine theory is different from practising them.
THEORY IS BY MIND OF SUBJECT.
PRACTICE IS BY THOUGHT OF EXPLANATION.
Both are needed in personal & social.