Are roller coasters damaging to the human body?

Is it bad for the body to be tossed around in a roller coaster?Are roller coasters damaging to the human body?
They can be...think of a car accident...getting your head and body parts jerked around. You can get jerked a certain way that may cause muscle strain. Also, you can get squished against someone or something also causing muscle strain, brusing, or broken bones depending on the volicity and angle hit.
yes. they make you lose brain cells... and hurt the active cells in your body that focus on the flow of energy.
no, unless you have medical problems
No, not if you are in good health.
No=as long as your tied in==safety belt or can hold on to something.