New scientific studies explore dietary and neurological links to health

A study published in the journal Diabetes by the American Diabetes Association suggests that consuming olive oil before carbohydrates can mitigate initial blood glucose spikes. Based on experiments involving mice, researchers found that the sequence of food intake—specifically consuming fats or proteins before carbohydrates—may serve as a sustainable dietary strategy to moderate glucose levels through slower gastric emptying and increased secretion of hormones like GLP-1.

Daisuke Yabe of Kyoto University noted that food sequencing is an attractive approach because it modifies consumption habits without requiring the elimination of entire food groups.

Separately, researchers at Brown University’s Carney Institute for Brain Science have identified a neurological mechanism linking hunger to alcohol reward memory. Using fruit flies to model brain processes, scientists observed that food deprivation activates neurons producing octopamine, a neurotransmitter similar to norepinephrine in humans. This activity appears to influence how the brain associates alcohol consumption with pleasure. The findings, published in Current Biology, suggest that physical states such as hunger can alter how environmental cues are perceived, potentially influencing addictive behaviors.