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 to pulmonary edema. Lea's neurological system took the hit, causing seizures. Dr. House: 2Г—3
House discovers that the sisters were all taking a specific "natural" performance-enhancing supplement to stay thin for gymnastics. Because of a rare phenomenon in female development (skewed X-inactivation), each sister's body processed the supplement's toxins differently: The breakthrough comes when Chloe, the "healthy" one,
: 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. The breakthrough comes when Chloe