Task: Answer Verification
Input (English): Question: Are mercury-reactive lymphocytes in peripheral blood a marker for dental amalgam associated disease?
Answer: The incidence and quantity of mercury-reactive lymphocytes in the blood are not pathogenic markers of illness associated with dental metal amalgams, but may rather reflect exposure to mercury. The clinical relevance of the decreased in vitro lymphocyte responses in the patient group needs further investigation.
Output (English): no