Everything felt fine at home, but a few minutes into your run, your nose starts to run too? You're not alone - and it's especially common as the weather turns colder."Most of the time, your nose runs ...

Dear A.T.R.: Both colds and influenza (the "flu") are respiratory illnesses that are caused by viruses. Influenza is caused ...

Ragweed pollen, dust and mold drive a fall allergy surge in West Texas; an allergist explains peak timing, symptoms and ...