need help here please.........

does rooting have side effects on the performance of the phone in any way...
just rooting and nothing else..
im planning only to use greenify and titanium backup..
does this effect the performance and battery life of my phone in any way.
please reply..
Yes I'm a NOOB.
please help me out guys.
GUYS you might find me a lot frustating......
you may tell why dont you google it out.
but i had done it
but couldnt get any satisfactory answers..