An army of flu-fighting immune cells lives on in the nose long after infection. Immune cells called T cells are a key part of ...

While most sinus infections clear up on their own, it is important to monitor symptoms, as bacterial infections can sometimes spread to other areas. If a sinus infection lasts longer than 10 days, or ...

A pimple inside your nose usually isn't serious and can be treated at home. An inflamed hair follicle is a common cause of a pimple in the nose. Avoid picking your nose to reduce the chances of ...