There's nothing like been addicted to trading, the main thing that causes constant losses in trading is lack of discipline and a good trading strategy.
Someone can be addicted to trading and it is as bad as being addicted to gambling. Just know thatist traders are losing and that alone means that some traders will be addicted to trading. Someone that is studying different strategies but still making mistake for years and keep losing. Is such person not addicted to trading already? Such person is addicted to trading already.