Johns Hopkins University statistical geneticist, Nilanjan Chatterjee, Ph.D., a Bloomberg Distinguished Professor of Biostatistics and Medicine at Johns Hopkins University, to help us at 23andMe put into context the work being done around the world on polygenic risk modeling.

In one of the largest genetic studies ever done, an international consortium of scientists has found more than 1,200 genetic variants associated with educational attainment, which is defined as the number of years individuals spent in school or university.

A new study found that many common genetic variants — each with a small effect — together explain why migraines cluster in some families.The study, lead by scientists from Massachusetts...