On polygenic scores, their bias, LD-decay, LD-decay bias, and correction methods
All these problems with predictive validity can be fixed with getting larger samples from all the other ethnic groups right? The UK biobank obviously has mostly white British samples. If you want to do a study on East Asians, you should be trying to do this using the Singapore or Taiwan biobank. They're not as open about sharing this data, so will have to cooperate with local researchers.