Dr. House: 2г—3 -

liver couldn't break down the heavy metals, leading to pulmonary edema. Lea's neurological system took the hit, causing seizures.

had a delayed reaction that eventually triggered a cytokine storm. The Resolution Dr. House: 2Г—3

The breakthrough comes when Chloe, the "healthy" one, finally collapses. House realizes the common denominator isn't what they are doing , but what they are taking . The Diagnosis: liver couldn't break down the heavy metals, leading

House observes the sisters in their shared room. He notices that while they look identical, Maya (the one with lung failure) has a slightly different callus on her finger. He realizes she isn't just a gymnast; she’s a secret smoker. But that doesn't explain Lea's seizures. The Resolution The breakthrough comes when Chloe, the

: House’s team (Chase, Cameron, and Foreman) is stymied. Because they are monozygotic triplets, any genetic defect should be present in all three. However, their bodies are reacting differently to the same environment.