By Deborah Mitchell for eMaxHealth.com

Scientists appear to have uncovered another risk factor for type 2 diabetes, and this time it is one that seems to affect the elderly. That risk factor is cytomegalovirus (CMV), a virus that can lie dormant for decades before springing into action.

You can have the virus and not know it

Cytomegalovirus is a member of the same family occupied by herpes simplex virus 1 and 2, varicella zoster virus, and human herpes virus. The Centers for Disease Control and Prevention (CDC) has estimated that 50% to 80% of individuals in the United States have had a CMV infection by age 40 years, while some experts estimate the rate is even higher.

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