Smell is a very powerful sense. Smells can evoke memories, influence your mood, affect your hunger levels, relationships and work performance. We tend to be captivated by things or people who smell good whilst shy away from foul and pungent “smellies”. To put this into context, we would be less inclined to interact with a smelly dog. To prevent your dog’s smell from driving everyone crazy and away, we have to get to the bottom of the causes of offensive smells.