I finally found a somewhat cure for my long-time shoulder pain which also helped to develop costochondritis. After several medical tests and lots of hours invested into researching the problem myself (as doctors just provided NSAIDs and PT didn't help much) I was able to be almost pain free after such long time.
Physical illnesses, even if only mildly disabling, do affect your day-to-day mood very negatively.
Physical illnesses, even if only mildly disabling, do affect your day-to-day mood very negatively.