To answer this we have to know what you mean by unsafe lifestyle. For instance walking in the bush at night may get you eaten by lions - this is unsafe, so don't do it. Perhaps you mean some other 'unsafe' lifestyle, in which case you will need to make your questions clearer if you want us to answer them.
Depends what you mean by "unsafe", medically speaking they can stir up alot of allergies etc
What do you mean by "safe"?
Unsafe
DO NOT DO THIS!!! UNSAFE!!!!!!!!!! UNSAFE!!!!!!!!!!!! UNSAFE!!!!!!!!!!!!!!
I Mean a victorian fire escape
NO, NO, NO, NO, NO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DANGER, DANGER, DANGER, DANGER!!!!!!!!!!!!!!!!!!!!!!! UNSAFE, UNSAFE, UNSAFE, UNSAFE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Unsafe product
DO NOT ATTEMPT TO DO THIS!!!!!!!!!!!!!!!!!!!!!!!!!!!! DANGER, DANGER, DANGER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! UNSAFE, UNSAFE, UNSAFE, UNSAFE
Doing dangerous things will make you unsafe. Inspectors found unsafe conditions in the company's factory.
GET IT TO A GUNSMITH NOW OR SEND IT TO BROWNING!!!!!!!!!!!!! UNSAFE!!!!!!!!!!!!! UNSAFE!!!!!!!!!!!!!!!! UNSAFE!!!!!!!!!!!!!!!!! UNSAFE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
No,it doesn't it might mean that it is cold. Or that it feels nervous of how you carry it, of how you pick it up. Maybe it feels unsafe.