People who sleep with a light on may be unwittingly keeping their nervous system awake, a small study suggests. The study of 20 healthy adults found that just one night of sleeping with the lights on spurred changes in people’s functioning: Their heart rates stayed higher during sleep compared to a night with lights off.…  read on >  read on >

They’re cute and expressive, but using lots of emojis in your communications at work could lower your standing among your colleagues, a new study suggests. The researchers conducted a series of experiments with hundreds of Americans and found that employees who use pictures and emojis in emails, Zoom profiles, or even company logos on T-shirts…  read on >  read on >

Even “safe” levels of ozone air pollution may increase adolescents’ risk of depression, a new study shows. Researchers analyzed four years of mental health data from 213 adolescents, ages 9-13, in the San Francisco Bay area and compared it with air quality data for their home addresses. Those who lived in areas with relatively higher…  read on >  read on >

Taken correctly, prescription drugs used to treat attention-deficit/hyperactivity disorder (ADHD) can help teens and young adults navigate their condition, but a new study finds many are dying from overdosing on these medications. In 2019, benzodiazepines like Xanax and stimulants like Adderall accounted for more than 700 and 900 overdose deaths, respectively, in the United States,…  read on >  read on >