The CGA haplotype of the ARNTL gene was significantly associated with dyslipidemia and hypertension under the additive model (p = 0.03, OR = 0.45, 95% CI = 0.22-0.95, and p = 0.03, OR = 0.29, 95% CI = 0.09–0.88, respectively). The gene discussed is BMAL1; the disease is metabolic syndrome.