Fig. 2From: Enhanced parasympathetic cholinergic activity with galantamine inhibited lipid-induced oxidative stress in obese African AmericansGlucose and insulin excursion during an oral glucose tolerance test. Upper panel (A) showed the changes in glucose (Y-left axis) and insulin (Y-right axis) during the 75 g oral glucose tolerance test. Lowe panel (B) showed the insulin sensitivity index as calculated by the Matsuda index or HOMA-IRBack to article page