Possible Link Between Grain-Free Dog Food and Heart Disease, F.D.A. Says The number of dogs on the popular diets who have developed enlarged hearts is small but concerning. Researchers are beginning to investigate causes. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Eclipse 2018: When is the Blood Moon in YOUR area? Time, map, path of totalityEclipse 2018 India live stream: Watch the Blood Moon live web cam in IndiaEclipse LIVESTREAM: How to watch the Blood Moon online with Royal Observatory GreenwichLunar eclipse 2018: When will RARE Blood Moon be visible in London tonight?Lunar Eclipse 2018: Space expert warns thunderstorms could obscure view of 'blood moon'NASA’s best pictures of all time: Stunning images show space agency’s history