Add Yahoo as a preferred source to see more of our stories on Google. You spent some time outside, and then discovered a bug on your leg. What is it? And should you be concerned? It's estimated that ...

Here's what medical experts want you to know about spotting ticks, treating tick bites and working to prevent coming into contact with one.

You spent some time outside, and then discovered a bug on your leg. What is it? And should you be concerned? It's estimated that more than 300,000 new cases of Lyme disease develop in the United ...