A mother has revealed how her awful gambling addiction led to bankruptcy and self-destruction, in a bid to warn others of the dangers of becoming hooked. Lisa Walker, 48, from Essex, is a Peer Aid support worker, and was first introduced to gambling when her dad and grandad played cards together, but back then she would bet no more than 50p. Even as a child, she remembers the rush she got from winning something as little as £1.Once she turned 18 and it was legal for her to enter casinos, Lisa’s habit escalated drastically. A big win in February 2001 became the start of a nightmare that would last two…