RHEUMATISM is acute and chronic stiffness of the muscles with pain in the joints. Usually, that results from low blood protein sugar accompanied by lack of enzyme-mutations for eating cooked green and yellow foods. See If I Lack Enzyme-Mutations, What Foods Should I Avoid?, page 174. Avoiding cooked green and cooked yellow foods, and eating raw foods, including raw pineapple with raw meat and raw fat usually resolve rheumatism.