Lithium deficiency thinned the myelin that coats neurons (right) compared to normal mice (left). Alt text: side-by-side grayscale electron microscopy images show thicker cell borders on the left and ...

Now, by analyzing thousands of proteins found in the blood, scientists at the University of California, San Francisco (UCSF), have created what they view as the clearest picture yet of when the ...

A study of long-distance runners shows the brain’s remarkable ability to adapt—by burning its own fat. A marathon taxes more than just muscles—it pushes the brain to its metabolic limits. New research ...

According to a study published by Nature Metabolism, marathon runners experience reversible changes in their brain myelin. These findings indicate that myelin (a substance that surrounds the neurons) ...

Running an entire marathon takes a lot of energy. Neuroscientist Carlos Matute knows this: he's run 18 of them. He wondered how runners' bodies get the energy they need to make it to the finish line.