This is true....i was suprised in recent imaging for my neuro-endocrine cancer the ultrasound of my head and neck showed dark circles around surgical clips that remained in my neck after 3 neck disections. She said my body was reacting to the metals. I obtained autoimmune inflamatory disease post a Violent adverse reaction to a Tdapp vaccine....it also resulted in digestive issues, body wide inflamation, including skin changes, and neuropothies...i was diagnosed with neuro-endocrine cancer two months after the shot, a nodule developed in my thyroid, and in left neck....i have had 3 neck disections....so i deal with a lot of swelling and lymph fluid. For me it has been very helpful to eliminate any processed foods as possible, i do not do a lot of dairy, and try as much as possible to stick to an anti inflamatory diet...or include foods that have beneficial anti-inflamatory qualities....a big one is to eliminate as much sugar as possible...plant based, i eat a lot of sea-food, but one must be careful of murcury content....