Sudden infant death syndrome may have genetic basis, study suggests

Story highlights

  • SIDS is the leading cause of death of infants older than 1 month in high-income countries
  • Monitoring babies to ensure that they sleep on their backs could cut chance of SIDS by up to 60%

(CNN)Sudden infant death syndrome -- long regarded as an unexplained phenomenon affecting apparently healthy children under 1 -- may have a genetic basis in some cases, a new study suggests.