Common Viruses May Play Role in Alzheimer’s

Strains of a virus that most people acquire in childhood may play a role in the development of Alzheimer’s disease later in life.

Research published June 21, 2018, in the scientific journal Neuron revealed that levels of two types of human herpes virus (HHV-6A and HHV-7) were twice as high in the brains of patients who died with Alzheimer’s disease compared with those who did not have the disease.

HHV-6 infects nearly 100 percent of human beings, according to the HHV-6 Foundation, and it often acts together with HHV-7. These infectious viruses can cause fever and a rash called roseola in toddlers and infants. They can remain dormant and harmless in the body for years.

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