New research suggests that people exposed to the herpes simplex type 1 virus, the virus that causes cold sores, may be at greater risk for developing cognitive problems, particularly memory problems.

FORBES: For Many, Herpes May Cause Memory Loss Along with Cold Sores

The Centers for Disease Control and Prevention (CDC) estimates that about 1 in 6 Americans (16.2 percent) between 14 and 49 are infected with herpes simplex virus type 2.

FORBES: For Many, Herpes May Cause Memory Loss Along with Cold Sores

An estimated 16% of U.S. adults are infected with herpes simplex virus type 2 (HSV-2), which can cause bumps, blisters, or sores on the genitals and surrounding areas, along with pain and itching.

CNN: Symptom-free herpes contagious 10% of the time