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.
Use your hands â and this story â to learn what your hands may be telling you about your health. And be sure to discuss any concerns you have with your doctor or health professional. Symptoms: Bony outgrowths on the finger joints, which can interfere with hand function and cause fingers to look deformed. What it may mean: Nodules on the joint closest to the fingertip, known as Heberdenâs nodes, or the middle joint, known as Bouchardâs nodes, are characteristic of osteoarthritis, or OA.