Breast-feeding is one of the most soothing and comforting things that a mother can do for her baby, but constant nursing can be difficult. Mothers have been trying to invent substitutes for some time—in 17th century England, babies were given corn cobs to suck on, and in the 18th century nubs made of bone or coral were used. By the 19th century babies were given sugar wrapped in cloth to suck on, and by 1900 the first modern pacifier arrived. Today, there are two schools of thought on their benefit, with studies reporting that the use of them may lead to dental damage.
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