q: Does youth weightlifting stunt growth?

A: No. As long as the quality of the instruction is sound. The few which have, found that, contrary to the common misconception that resistance training may retard growth. Scientific evidence indicates that resistance training results in increased serum IGF-I and that there is no detrimental effect on linear growth. Finally, numerous studies have demonstrated that with appropriate supervision and precautions, resistance training can be safe and effective for children and adolescents. https://pubmed.ncbi.nlm.nih.gov/16437017/

q: Isn’t youth weightlifting dangerous?

A: Anything can potentially be dangerous, but with proper supervision and program design, weight training is safer than actual traditional sports. Although injuries can occur during weightlifting and related activities, the incidence and rate of injury appear to be relatively low and severe injury is uncommon. A number of performance, physical, and physiological variables, such as body composition, strength, and power, are improved by weightlifting training in children, adolescents, and young athletes. https://pubmed.ncbi.nlm.nih.gov/34781771/