Findings based on large-scale machine learning analysis of individual-level handgun transaction records

Complex interaction between race/ethnicity, sex, depression, and concussion history seen for risk for suicide attempts among U.S. youth

Authors say this trend may be due to increased mental health care access

Survey of patients reporting prospective diagnosis of PMDD shows high rates of self-injurious thoughts and behaviors

Risk lower in women with no psychiatric history and particularly those using ethinylestradiol-containing hormonal contraceptives

Standardized mortality ratio for suicide decreased from 2000 to 2016, but risk remains elevated, especially within first two years of diagnosis

Easy access to over-the-counter medications may play a role in their use for suspected suicides

Transgender teens have seven times higher risk for suicide attempt compared with cisgender, heterosexual adolescents

Authors say findings highlight need to screen all teens for suicide risk and access to firearms

Average length of boarding increased more than twofold; about half of patients experienced extended boarding of two or more days