Gambling addiction is different from drug addiction in terms of reasoning from someone who is into it. Addiction in gambling is because people are dissatisfied with what they already won in a gambling, and tend to lose it all even if they know they are not winning the game.
There are a lot of reasons why people are getting addicted and they usually end up taking drugs, gambling and usually being a shut in in their houses playing games and being an addict to social media or the internet. Depression, family and financial problem are some of the most problems they usually face and they are finding a way to forget any of them by being addicted to something, and yes, every addiction has the same solutions. Their addiction varies in their environment.