What is an "Addictive Personality" & is it Hereditary?

I just went through a course on this and can give you some test data when it comes to hereditary. This data is for drug abuse but it is true, addiction does not only pertain to drugs and alcohol. With addiction in the family there is a 40 to 80% chance of addiction. With no hereditary there is still a 15 to 60% chance of addiction. So you can see that everyone has the potential for addiction. Some other strong addictions are gambling and .