Why Hot, Polluted Weeks May Be a Critical Window for Suicide Prevention

Why hot, polluted weeks may be a critical window for suicide prevention

Suicide rates in the U.S. have been steadily rising since the late 1990s, leading to an urgent need to understand what's putting people at risk. Risk factors include high air pollution and hot temperatures, which have each been individually associated with increased suicide risk in the days after exposure.

Air pollution may amplify suicide risk on hot days

Researchers have found that air pollution may intensify the impact of heat on suicide risk, highlighting how multiple environmental stressors can combine to affect mental health. In a new study examining more than 7,500 suicide deaths in Utah between 2000 and 2016, scientists found that days with both higher heat stress and elevated air pollution were linked to increased odds of suicide. The findings suggest that environmental factors often stud…

Short-Term Heat Stress and Air Pollution Linked to Increased Suicide Risk

A combination of hot temperature and high air pollution is associated with increased risk of suicide in the following days, although it's unknown whether environmental changes directly cause increased risk.