The virus that causes cold sores, herpes simplex virus 1 (HSV-1) or human herpes virus 1 (HHV-1) is extremely common. We are probably exposed to it in childhood, usually through oral contact and kissing. It can also be sexually transmitted from mouth-to-genital contact and as it is highly … [Read more...] about From cold sores to head knocks: unravelling the Alzheimer’s link
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