Oral glucose tolerance test with double-tracer dilution and intranasal placebo spray clinical trials

Relative Contribution of Brain Insulin Action for Postprandial Metabolism

This study looks at how your brain's response to insulin affects your body's use of sugar after eating. We'll use a special nasal spray with insulin or a dummy spray, along with a sugar drink, to see if there are differences between men and women, and how a woman's monthly cycle plays a role.