Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being . (CNN) — Although the two-dose shingles vaccine may force you to lay low for a day or two after getting the shot, it’s over 90% effective against this painful disease and its complications. Now it turns out the shingles vaccine may have an added benefit: reducing the risk of dementia, according to a new study published in the