
A Small but Reproducible Signal: Cancer Risk After Neonatal Phototherapy in Pooled Observational Evidence
A large 2025 review that combined 15 studies and nearly 6.7 million children found that babies treated with phototherapy for newborn jaundice had a slightly higher chance of being diagnosed with cancer later in life—about a 24% increase in the odds. That sounds alarming, but in real numbers it…





