hronic inflammation is associated with metabolic syndrome
, which is a term used to describe the clustering of symptoms associated with adverse cardiovascular events and related comorbities. Insulin resistance, high blood pressure, obesity, decreased HDL (good) cholesterol and elevated triglycerides are all symptoms of metabolic syndrome, often called Syndrome X. C-Reactive protein
has recently been added to the list. [33-35]
The prevalence on metabolic syndrome reported in 2002 was approximately 23% of general population and approximately 43% of people above age 60 in the United States. 
A recent study found the prevalence in older adults to range from 16 – 24 % depending on the definition used. 
It is unclear whether earlier estimates were too high in the elderly population. Regardless, this study found that being female, having low-grade inflammation, coronary artery disease, and a history of stroke were all associated with metabolic syndrome.