What The Study Did: Researchers reviewed 6,800 cases of sudden cardiac death in the United Kingdom to determine the age, rate and association of cardiac conditions with sudden death during or immediately after sexual intercourse.

A new mathematical model describes the interactions between a population and a toxicant in a river environment, enabling researchers to study how the way in which a pollutant moves through a river affects the wellbeing and distribution of the river’s inhabitants.

What The Study Did: This study analyzed disparities in the rate of opioid overdose deaths by sex, race and ethnicity among adults age 55 and older from 1999 to 2019.

What The Study Did: The findings of this simulation model suggest that the U.S. COVID-19 vaccination program was associated with an estimated reduction in total hospitalizations and deaths by nearly half during the first six months of 2021.

A new Northwestern Medicine study that analyzed 20 years of fatal opioid overdose data in adults 55 and older found that between 1999 and 2019, opioid-related overdose deaths increased exponentially in U.S. adults ages 55 and older, from 518 deaths in 1999 to 10,292 deaths in 2019: a 1,886% increase.