Joint pain, often without inflammation or visible damage to the joint.
From Greek 'arthron' (joint) + 'algos' (pain). This medical term precisely distinguishes simple joint pain from arthritis (inflammation), using the standard '-algia' suffix for pain conditions.
Arthralgia is mysteriously common in viral infections like the flu and COVID-19, and doctors still don't fully understand why viruses so often attack our joints—it's like the virus is sending pain signals without actually damaging them.
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