Hi, do you use enough vitamin during day, enough water and essential vitamins for you healthy? Using oranges, apples, and many other kinds of fruit will help you heath so that do not forget them. Also vegetables are very good for heath. They can be helpful for preparing many of your vitamin needs. If you have lack of vitamin you might committing with some problems like become tired soon. And other problems. One of the popular small one is mouth ulcers. Here is a video to teach you how to learn about them.