In a perfect world, a balanced diet, with a wide variety of food products, would give us all of the nutrients we need for healthy bodies and minds. (And yes, it is important to remember that nutrients feed our mind and therefore are necessary for keeping it healthy.) But modern lifestyles, dietary “fashions” and our own changing bodies often mean that we are not getting some of the important nutrients our bodies need to function at their optimum levels. Of course, it is just as easy to remedy in our modern world, by changing eating habits or using supplements. Here are four important nutrients that many women may be lacking, and how to make sure you get enough of them: Vitamin B12 This is a powerhouse vitamin and a veritable fuel for our nervous systems. A vitamin B12 deficiency can actually lead to problems not only with thinking, but with walking and moving, since those activities depend on cognitive acumen. B12 is also instrumental in producing red blood cells, and a B12 deficienc...