From EurekAlert! - Breaking News:

Cancer patients have complained for years about the mental fog known as chemobrain. Now in animal studies at West Virginia University, researchers have discovered that injections of N-acetyl cysteine, an antioxidant, can prevent the memory loss that breast cancer chemotherapy drugs sometimes induce. The WVU researchers' study has just been published in the September issue of the Springer journal Metabolic Brain Disease. Read more from this post.