Could cold sores increase the risk of Alzheimer’s disease? A new study is no cause for panic
- Written by Joyce Siette, Associate Professor | Deputy Director, The MARCS Institute for Brain, Behaviour, and Development, Western Sydney University

A new study has found the herpes simplex virus type 1 (HSV-1), which causes cold sores, may be linked to the development of Alzheimer’s disease.
This idea is not entirely new. Previous research has suggested there may be an association between HSV-1 and Alzheimer’s disease, the most common form of dementia.
So what...