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If you fall into the Four F's (Fat, Female, near Forty and Fertile), you're a likely candidate for gallstones. Gallstones are created in the gallbladder, which stores materials including cholesterol and bile, usually squeezed into our intestines to digest. When that doesn't happen, the stones can get lodged in the gallbladder, which is painful, especially under your ribcage on the right side.

To alleviate the problem, the gallbladder is often removed, which Dr. Oz says is one of the most common operations performed by doctors.