This discovery could lead to drugs to improve muscle mass and treat delayed growth, UK researchers say.

英国研究人员表示，这一发现可能会产生改善肌肉质量和治疗生长迟缓的药物。

They may be shorter with a rounder, younger looking face because the growth of their facial and long bones is delayed.

由于面部和长骨的生长延迟， 他们可能更矮， 脸更圆， 看起来更年轻。