People who experienced more stress in the womb and early childhood may be more sensitive to pain by their early 20s than those with little or no exposure to stress early on, a WA study suggests,

Researchers focused on stressful life events that might occur in children’s households during pregnancy or early childhood — including, pregnancy complications, the death of a close friend or family member, marital problems or break-ups, job loss or other financial hardships, or residential moves.