Many South Asian people probably need pre-diabetes care

EDITOR—In their editorial Venkat Narayan et al make a case for the American Diabetes Association's recommendation to screen for pre-diabetes in people over 45.1 Pre-diabetes is defined as either impaired glucose tolerance (two hour glucose concentration 7.8-11 mmol/l after a glucose load) or an impaired fasting glucose concentration of 6.1-6.9 mmol/l. Those screening positive are at high risk of cardiovascular diseases and diabetes and therefore would be counselled on weight loss and increasing physical activity.

This recommendation has profound implications for the health care of South Asian populations originating in …