Why is it so difficult to say no to that piece of cake?

New research in rats identifies a brain circuit that may explain impulsive eating. The findings may eventually help those who are finding it hard to diet.

Vitamin D and brain health: New mechanism may explain link

A new study in mice shows a previously unknown effect of vitamin D deficiency on the brain.

Appetite-controlling neurons could help us lose weight

A group of neurons has been found to respond to amino acids and control appetite.