Biochemical oxygen demand. Biochemical oxygen demand (BOD, also called biological oxygen demand) is the amount of dissolved oxygen needed (i.e., demanded) by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period.
Foods to avoid if you have arthritis: 1  Red meat (i.e. beef, lamb, pork). substitute chicken and oily fish. 2  Members of the nightshade family such as: â tomatoes. â white potatoes. 3  Wax covered fruit and citrus fruit. These days much of our fruit is wax covered to improve shelf life but organic fruit should not be.
The Role of Diet in Arthritis. For years people have suspected that foods are an important factor in the development of rheumatoid arthritis. Many notice an improvement in their condition when they avoid dairy products, citrus fruits, tomatoes, eggplant and certain other foods.Initially, the evidence was anecdotal.or years people have suspected that foods are an important factor in the development of rheumatoid arthritis. Many notice an improvement in their condition when they avoid dairy products, citrus fruits, tomatoes, eggplant and certain other foods.