1 At the ends of each of our chromosomes are sections of DNA called telomeres. 2  Telomeres protect the ends of the chromosomes during DNA replication by forming a cap, much like the plastic tip on a shoelace.
Osteoarthritis (OA) is the most common type of finger arthritis. OA is also called degenerative joint disease because it is caused by wear and tear on your joints as you age. In OA, the protective tissues in your joints deteriorate with time allowing bare bone to rub on bone. This cause joint pain and swelling.
This can sometimes be accompanied by redness, swelling, or warmth of the joints. Both osteoarthritis and rheumatoid arthritis (RA) commonly affect joints of the fingers. Trauma or injury to the finger, such as bruises, dislocations, and fractures of bone are all common causes of finger pain.