Researchers at two Israeli neonatal intensive care units (NICUs) have launched an initiative called 'Close to the Heart' to explore the physiological impact of maternal scent on premature infants. The study suggests that the presence of a mother's scent can serve as a calming mechanism for babies who are separated from their mothers due to medical necessity. By introducing the scent of the mother into the incubator environment, medical staff observed a reduction in infant stress levels and an improvement in vital signs.

The initiative focuses on the emotional and physical challenges inherent in NICU environments, where premature infants often spend significant time away from their primary caregivers. The findings suggest that olfactory cues play a significant role in infant development and comfort, potentially offering a low-cost, non-invasive method to support neonatal health. While the study highlights the benefits of this sensory connection, it also underscores the broader medical effort to humanize the high-tech environment of the NICU. The research is part of an ongoing effort to improve outcomes for premature infants by addressing both their clinical needs and their need for maternal proximity.