02 Oct 2015 --- New research published in Diabetologia (the journal of the European Association for the Study of Diabetes) shows that people carrying a certain genetic variant relating to vitamin D metabolism are more likely to benefit from a high-protein weight loss diet than those without it. The research is by Dr Qibin Qi, Albert Einstein College of Medicine and Montefiore Health System, Bronx, NY, USA and Dr Yan Zheng, Harvard T.H. Chan School of Public Health, Boston, MA, USA, and Dr Lu Qi, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, USA and Harvard T.H. Chan School of Public Health, Boston, MA, USA and colleagues.