It may be two months away but already stores everywhere are stocking up on Easter-themed products. Many of these contain chocolate, raisins and sultanas. While these may be perfectly safe sweet treats for humans, they are particularly toxic to dogs. Chocolate is hazardous because it contains the bitter alkaloid “theobromine”, a naturally occurring stimulant found in the cocoa bean, which affects the central nervous system and heart and can kill a dog. The danger depends on