Direct food additives are those that are added to a food for a specific purpose in that food. For example, xanthan gum -- used in salad dressings, chocolate milk, bakery fillings, puddings and other foods to add texture -- is a direct additive. Most direct additives are identified on the ingredient label of foods.
Physical ability tests measure the physical ability to perform a particular task or the strength of specific muscle groups, as well as strength and stamina in general; Sample job tasks (e.g., performance tests, simulations, work samples, and realistic job previews) assess performance and aptitude on particular tasks;
Cognitive Testing. Formal cognitive testing may be beneficial for people with MS to determine if changes are present as well as relative areas of strength and weakness. Testing may be beneficial to help people compensate for abnormalities and may also be helpful for determination of disability when cognition is a significant factor.