Fats And Sugars Have Their Own Dedicated Circuits

But the story doesn’t end there. The team of scientists also found that simultaneously activating both the fat and sugar circuits creates a powerful synergy.

“It’s like a one-two punch to the brain’s reward system,” said the study’s lead autho...

“Food is nature’s ultimate reinforcer,” said the study’s lead author.

“But why fats and sugars are particularly appealing has been a puzzle. We’ve now identified nerve cells in the gut rather than taste cells in the mouth are a key driver. We found that

The vagus nerve, originating in the gut, sends internal sensory information from the gut to the brain about the nutritional value of food. But, the molecular basis of the reward in the brain associated with what we eat has been incompletely understood. 

Now, a...