Monitoring of urine trans, trans-muconic acid level among smokers and non-smokers.

Smoking has contributed to various neurological, cardiovascular, and pulmonary diseases. According to carcinogens found in cigarette smog, benzene is one of the important carcinogenic compounds. The urinary trans, trans-muconic acid (ttMA) levels among a sample of 10 Thai smokers and 35 Thai non-smokers were investigated, compared and reported. The average urinary ttMA level in smokers and non-smokers were 2.19 +/- 2.32 and 0.24 +/- 0.33 mg/gCr, respectively. A significant higher urinary ttMA level among the smokers was observed (P < 0.05). Since the higher urinary ttMA indicates the higher occult risk for cancer, the usage of urinary ttMA is recommended as a monitoring tool to follow up benzene exposure in the smokers.

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