i think gambling can be addicted but i think it is not dangerous, because we are addicted to so many other activities in our life. for example some people are addicted to drinking, some are addicted to take tea for so many times in a single day. smoking is also addiction, but if you will remain as moderate in your addicted activities then it is no dangerous. it is totally depending on your.
You can be addicted to almost everything. Learn to control yourself and you should be free from it. It depends totally on your action, if you do things excessively then you are going to affect yourself no matter what. Do everything accordingly and even if you are addicted, you wont really have worry about you ruining yourself