Many of these flea medications also treat lice, mites ... Running a flea comb against the direction of your dog's fur can pick up the dirt. You can often see it on your dog in hard-to-reach ...

But viewing the combs at 10 times normal size revealed their true purpose: Many still bore traces of the lice and nits they had extracted from someone’s tresses. In pre-Columbian times ...

With kids back in the classroom after several weeks off from school, it can also serve as a breeding ground for unwanted ...