Good posture improves your appearance and helps you project self-confidence and self-assurance. It is worth achieving just for the aches and pains it may prevent. Unfortunately, for many of us, good posture does not come naturally.
It has long been known that people with rheumatoid arthritis (RA) are likely to also have the gum disease periodontitis, though it hasn't been clear why. Now research has identified a bacterium that could explain the link between the two diseases.