User:RichLee72/sandbox

This sandbox to be used for accumulating my intended changes to various articles:

Page: Narcolepsy Section: Causes

"Certain variations in the HLA complex were thought to increase the risk of an auto-immune response to protein-producing neurons in the brain."

This should be revised. Suggestion follows:

Certain variations in the HLA complex were thought to increase the risk of an auto-immune response affecting protein-producing neurons in the brain.