the.com/nephritis

Kidney inflammation that can impair filtering waste and fluid from the blood, sometimes seriously.

means Inflammation of the kidneys, which can impair their ability to filter waste and fluid from the blood.

from Built from Greek nephros, 'kidney,' plus the medical suffix -itis, 'inflammation.' The same nephros root shows up in 'nephrology' and 'nephrologist' — doctors of the kidney — while -itis is the same tag found in arthritis, tonsillitis, and bronchitis, a Greek-derived label medicine attached to countless inflamed body parts.

definition
Inflammation of the kidneys, often immune-triggered
famous culprit
Lupus loves attacking kidneys this way
warning sign
Blood or protein showing up in urine
untreated risk
Can escalate quietly into kidney failure
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