Infants who undergo painful medical treatments may be unusually sensitive to pain when older.

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Studies have shown that infants who experience painful medical procedures may develop a heightened sensitivity to pain later in life. This phenomenon is known as hyperalgesia. It is thought that repeated exposure to painful stimuli during a critical period of brain development can alter pain processing pathways and cause long-term changes in pain perception.

Infants Who Undergo Painful Medical Treatments May Be Unusually Sensitive