Cockroaches are common pests in homes, schools, and workplaces, but just because they're common doesn't mean they're harmless. Cockroaches spread diseases like Salmonella that can cause food poisoning ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Most of us aren’t experts at bug identification—especially because most common house insects look alike.

Dear Heloise: Years ago, I rented an apartment in a very old house in Denver (where the climate is very dry) that had cockroaches. I was able to keep them under control by sprinkling scouring powder ...