Harvard Women's Health Watch
Do common viruses play a role in Alzheimer’s disease?
Research we’re watching A new study published online June 21 by the journal Neuron links two common viruses to Alzheimer’s disease. Based on data from three brain banks, researchers found that the brains of people with Alzheimer’s disease had up to twice the levels of two viruses — herpesviruses 6A and 7 — compared with the brains of people who did not have dementia. The virus genes also appeared to have interacted with