Likely not true, he literally deployed to a location known for burn pits, that is likely the cause of all his issues, since foreign bodies can enter the lungs f

Likely not true, he literally deployed to a location known for burn pits, that is likely the cause of all his issues, since foreign bodies can enter the lungs from burning and cause immune system issues at best, and cancer (which is insanely common for burn put victums) at works.