Heartworm-true-or-falseHeartworm disease is a very serious – and potentially fatal – condition that is caused by parasitic worms living in the arteries of the lungs and occasionally in the right side of the heart of dogs, cats and other species of mammals (heartwormsociety.org). Scary stuff, isn’t it? But perhaps the scariest fact isn’t about what heartworm disease is or how it can potentially affect our pets, but the common misconceptions many people have about the disease. Check out these 10 common myths surrounding heartworm disease and get the facts you need to help protect your dogs or cats.