>>76810194
>explain this more in your own words I'm not reading the article.
ANKH is a mineralization inhibitor so lower function drives larger bones up to extremes like craniometaphyseal dysplasia.
>what environmental factors?
Growth hormone is another regulator of shoulder width, and it's probably the most widely-drugged/abused pathway with those effects. But it's also minerals and exercise and a lot of other stuff.