Pure-bred dogs have been regarded as superior to crossbreeds or what some people refer to as mutts. However, we now understand that producing purebred dogs has drawbacks. The lack of variety in the ...

Add Yahoo as a preferred source to see more of our stories on Google. You've probably heard that purebred dogs aren't as healthy as mixed breeds. It sounds logical-more genetic diversity should mean ...

Many people find their flattened faces cute, but among dogs bred with a squished visage, 11 percent or less of some breeds can breathe easily. The findings, published February 18 in PLOS One, evaluate ...