The Oregon Ducks got some significant coaching news on Monday morning regarding running back coach Ra'Shaad Samples ... Ball tweeted at Samples with a GIF of a celebrating Oregon Duck.

Follow pro sports and sooner or later you’ll see rheumatoid arthritis (RA) sideline a star. After tennis champ Caroline Wozniacki was diagnosed in 2018, she dropped from top rankings and retired ...

Few reliable biomarkers exist for rheumatoid arthritis (RA). The usefulness of rheumatoid factor (RF) is hampered by low specificity and possible absence in the first year of the disease.