The natural world is home to an astonishing variety of life, but some creatures are so rare that only a handful remain in existence. These animals, often teetering on the edge of extinction, are ...

Allergies and sinus infections have overlapping symptoms, but are caused by different things. Allergies happen when your immune system reacts to something harmless, like pollen or dust, as if it's ...

When the steam has subsided, add some more hot water to the bowl. To help clear sinus passages, you can add several drops of eucalyptus oil or camphor oil available online and at many larger ...