9-Year-Old Girl Diagnosed with Precocious Puberty: Are High-Carb Diet and Staying Up Late the Main Causes, and How Can It Be Prevented?

9 岁女童确诊性早熟，骨龄超实际年龄近 3 岁，长期大量摄入高碳水、经常熬夜是主要原因吗？怎样预防性早熟？

A public trend signal observed across 1 source.