Association between folic acid prescription fills and suicide attempts and intentional self-harm among privately insured US adults

Objective  To confirm a previous signal for decreased risk of suicide attempt following prescription fills for folic acid in a national pharmacoepidemiologic study of patients treated with folic acid. Design, Setting, and Participants  A within-person exposure-only cohort design was used to study the dynamic association between folic acid (vitamin B9) prescription fills over a 24-month period and […]