Great article! I was diagnosed with GCA & PMR just 6 months after the (unexpected) death of my brother.
"A recent article in Psychosomatic Medicine (2019) reviewed the research since 1977 on the immune system’s role in bereavement. The author states, “a handful of recent good-quality studies show bereaved people demonstrate higher levels of systemic inflammation, maladaptive immune cell gene expression and lower antibody response to vaccination compared with nonbereaved controls.”