Cleft lip and cleft palate are among the most common birth defects, occurring in about one in 1,050 births in the United ...

The middle-class income was then calculated using PewResearch’s definition of middle-class. Keep reading to see what the line looks like between middle-class and upper middle class-income.

Most of these names are from the Anglo-Saxon tradition and are reminiscent of the Founding Fathers and the Gilded Age upper class. In some parts of the U.S., middle- and upper-class children in the ...

The minor salivary glands are small glands distributed throughout the oral cavity, predominately on the palate, and in the upper aerodigestive tract. Most salivary gland tumors are benign, and ...