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Science News for August 21, 2002


Potential cause of arthritis discovered

Researchers have discovered that certain types of naturally occurring carbohydrates in the body may cause rheumatoid arthritis by triggering an immune response and leading to inflammation and joint damage. The study found that glycosaminoglycans, a major component of joint cartilage and skin, activate inflammatory cells in the joints.

Marine biodiversity essential to preserving species

A new study by Oregon State University researchers found that removing any one species from a marine food web can have devastating effects, leading to population collapse and regional extinction. The study's findings highlight the importance of preserving biodiversity in marine ecosystems.

SourceOregon State University·JournalProceedings of the National Academy of Sciences·DateAug 21, 2002