Metabolic syndrome is defined as a clustering of
several risk factors for systemic vascular diseases, such
as high blood pressure, impaired glucose tolerance
and dyslipidemia, which are related to central obesity,
and insulin resistance [6]. The prevalence of MetS has
been reported by National Health and Nutrition
Survey in 2008, and 25.3% of male subjects and
10.6% of female subjects are diagnosed with MetS.
The prevalence increases by ageing until 70s, both in
male and female