A stye is caused by infection of a gland at the base of an eyelash. It generally causes a lump at the margin of the eyelid, that is inflamed and often painful. Styes are usually caused by ...

Most people have heard the term upper respiratory infection. It is often used interchangeably when describing a respiratory virus or the common cold. But do you know what a lower respiratory infection ...

There is some evidence that light to moderate alcohol consumption—meaning one serving a day or less for females and one to two servings per day or less for males—can raise "good" HDL cholesterol ...