Agrowing adolescent needs the equivalent of glasses of milk a day in order to get the right amount of calcium.

They need around 3 and one half glasses of milk to meet their calcium needs a day. They require 1300 milligrams of calcium a day, and each 8 oz. glass of milk has around 300 milligrams.

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other.