Dementia might have dozens of risk factors, each adding up a little. Physical and emotional stress, insomnia, head microinjuries, arteriovascular risk factors,

Dementia might have dozens of risk factors, each adding up a little. Physical and emotional stress, insomnia, head microinjuries, arteriovascular risk factors, infections and there lies herpes zoster. Only the latter has a causal treatment and is only single stone on the wall of disease.