Therapy Dogs

"Therapy dogs" carry infectious diseases. They're brought into some hospitals to put patients in a better mood, but a study says 80 percent of the dogs have infections that could spread to humans, including salmonella and drug-resistant E. coli."

So goes the opening paragraph in today's Human Nature column by William Saletan at slate.com. Read the rest here, including links to past Human Nature columns about dogs- including how tasty they are.