AS we all know that smoking is very dangerous to our health. Not only to the person who uses it but also to the person who inhales it. By simply refraining from smoking, you are getting yourself away from lung cancer and other implications that caused by smoking.
More details ? , but there are some basic questions you can ask , like , Are there any GMOs in the food or How is the product made , Is the product made naturally or by man, Hand made or made by machinery.
If you want to serve but don't want to be in combat, sadly your gonna have find another job unless you want to do infantry.