When people hear the word fat, they often think of something to avoid. But when it comes to your health (and especially your brain), fats are absolutely essential. As a clinical nutritionist, I often work with people who’ve spent years fearing fat. They have been given messages based on poor science from back in the 1950s when the low fat narrative started, and we started to see low fat food products emerge. The fat which gave taste and satiety was replaced with sugar and it'