Staying healthy in todayand#145;s world is quite challenging with all we are exposed to, diseases can crop up without notice. Although the subtle changes were there, most lab tests your doctor will run are not adaquate, or sensitive enough to notice them until they become more chronic. Nutritional deficiencies can lead to many diseases and by finding these deficiencies early and looking at certain chemicals in the body you can catch diseases in their primary stages before they become life threatening. This could save you thousands of dollars. Everybody wants to feel better, have more energy and a better quality of life. Just because something is good, does not make it good for you.