“What you eat, you become”. The message has echoed louder to positivity inherited in statement. Dogs seem to have developed heart disease after consuming certain types of food for a longer period. FDA has informed about the growing tendency in breeds not considered or categorized susceptible to such conditions earlier.
The Food and Drug Administration has found ‘Grain-free’ food based on potatoes and peas causing the damage.
Canine Dilated Cardiomyopathy was previously found in certain breeds however it’s been reported in other breeds too. This is an alarming situation. 
FDA is studying the results further and requested pet owners to keep a close eye on situation. The focus is upon breeds not vulnerable to such health conditions historically. The usual symptoms are laziness, loss of weight and occasional cough.
The only positive to come out from news is dog breeds falling outside the usual list can improve depending changes in diet and timely treatment offered.
Pet owners need to have information about dog breeds in list: Great Danes, Boxers, Newfoundland, Doberman pinchers and St. Bernard. The new cases have included a few more breeds to the existing list: Golden and Labrador Retrievers, Whippets, Shih Tzu, Bulldog, mini Schnauzer and mixed breed.
FDA has urged veterinarians and pet owners to pay more attention, report such issues at an early stage.