Kien, 29, attributed his high blood pressure to excessive coffee consumption and work stress, only to be diagnosed with stage 3 kidney failure.

For years, 28-year-old Thanh drank very little water and held his urine to avoid work interruptions, until he was diagnosed with kidney failure.

A 32-year-old man, experiencing fatigue, loss of appetite, and decreased urination, was diagnosed with severe kidney damage after using unregulated "kidney-tonifying, libido-boosting, muscle-building" supplements.

Severe abdominal pain, painful urination led an 18-year-old girl to the emergency room, where doctors discovered kidney stones blocking her ureter and causing severe inflammation, leaving her kidney nearly "petrified."

Arriving at the hospital with swollen limbs, 23-year-old Huy burst into tears upon receiving the diagnosis: "Kidney function is irreversible due to severe damage after taking unregulated weight-loss pills."