Baby massage has been studied extensively, particularly in the work of Tiffany Field at the Touch Research Institute. The findings show genuine but modest benefits. Massaged infants tend to settle faster, sleep slightly longer, and show lower cortisol levels. Premature infants in the NICU who received massage gained weight faster — one of the strongest findings in the literature (Field et al., 2010). For preemies, it's also important to understand how adjusted age vs. actual age affects milestone expectations.
For full-term, healthy babies, the benefits are more subtle. A Cochrane review found that massage may slightly improve mother-infant interaction and reduce crying, but the quality of evidence was moderate. The digestive benefits — reduced gas, easier bowel movements — have some support, particularly for the specific "I Love U" abdominal massage technique.
What the research does not show is that baby massage is essential for normal development. Babies who aren't massaged develop fine. The benefits are real but incremental, and many of them can be achieved through other forms of responsive touch and caregiving. Think of baby massage as a bonus, not a requirement.