Q and A: about health and research

ME/CFS is often used as a broad diagnostic category, but in some cases underlying medical conditions may remain partially investigated or overlooked.    Commonly associated factors may include viral infections, post-exertional malaise (PEM), postural orthostatic tachycardia syndrome (POTS), fibromyalgia-like pain, immune or vascular abnormalities, neuroinflammation and/or encephalitis, possible glymphatic or lymphatic system dysfunction, and possible syringomyelia. Further research, including head and torso MRI imaging, comprehensive hematological and endocrinological testing, and evaluation of genetic or inherited markers, may help clarify underlying mechanisms and improve diagnostic understanding. At the same time, important conditions such as thyroid disease, adrenal insufficiency, lupus, hemophilia or other bleeding disorders, infections, vasculitis, and other systemic illnesses may not always be fully excluded and can coexist with or contribute to symptoms. The example...