Nutrition and Food

Food and nutrition are the way that we get energy for our bodies. We need to replace nutrients in our bodies with a new supply every day.  Maintaining key vitamins and minerals are also important to maintaining good health. For pregnant women and adults vitamins such as vitamin D and minerals such as calcium and iron are important to consider when choosing foods to eat, as well as possible dietary supplements. A healthy diet includes a lot of natural foods. Nutrition includes the process from eating food to its usage in various functions of body. The science of nutrition deals with what nutrients we need, in what quantity, how to get them and how the body utilizes them. Adequate, optimum and good nutrition indicates the right amount and proportion of nutrients for proper utilization for achieving highest level of physical and mental health. First function of food is to provide energy.