Former Arsenal striker, Nicklas Bendtner, has revealed his addiction to gambling and betting during his early playing days at the English club.   Bendtner, from Denmark, emerged from Arsenal’s academy 15 years ago and despite the controversies that surrounded his career he still managed 81 appearances for Denmark, scoring an impressive 30 times and represented his country at Euro 2012 and the World Cup in 2010.   Speaking on his Danish reality television show alongside his model girlfriend, Philine Roepstorff, …