Galacto- and lacto- (galact/orrhea; lact/ase) mean:

This both means milk. In the medical term actually means spontaneous discharge of milk from the breast. Although frequently benign, it may be caused by serious underlying conditions and should be properly investigated. Galactorrhea is informed to occur in 5–32% of women. Much of the difference in reported incidence can be attributed to different definitions of galactorrhea.

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the money supply is the total amount of money available in the economy. how do changes in the money supply affect people and businesses?