Neck pain can be one of the effects of rheumatoid arthritis (RA). In the highest risk group (male sex, positive rheumatoid factor, longstanding and erosive joint disease), up to 80% of individuals ...
As people age, the shape of their face begins to change. As fat builds up in the neck, the skin begins to sag and the jaw muscles begin to shrink. This may cause your jawline to become less defined.