Add Yahoo as a preferred source to see more of our stories on Google. It can be distressing to wake up with a mysterious swollen red rash on your ankle. Could that rash be an insect bite? And what ...

Move over mosquitos. There’s another blood-sucking biter Americans need to guard against because it can spread disease: the sand fly. Sand flies are tiny tan flies — about the quarter of the size of a ...

It can be distressing to wake up with a mysterious swollen red rash on your ankle. Could that rash be an insect bite? And what kind of bug bit you? The answers aren't so easy to figure out. Even for ...