Salt
Scientists now believe that sodium overkill can negatively impact the ‘good’ bacteria in our gut. There is a growing body of research dedicated to the link between our gut and brain, referred to as the gut-brain axis.
Preliminary work suggests that these tiny microorganisms set up shop in our bodies and maintain peace by warding off unhealthy inflammation that can impact our cognitive performance.
FOR THE NERDY: Your brain on salt
Sugar
Studies in animals have linked high fructose intake with insulin resistance in the brain, and a reduction in brain function, memory, learning, and the formation of brain neurons.
FOR THE NERDY: Sweet, sweet science