Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Association between years since smoking cessation and incident risk of dementia. Note Hazard ratios were adjusted for sex, age, obesity, time spent walking per day, alcohol drinking status, education level, history of stroke, myocardial infarction, hypertension, or diabetes, and psychological stress score
