Many teens look at screens at bedtime, but some apps are more likely to keep them awake than others, leading to sleep problems. That’s the upshot of a new study in which researchers found YouTube fans experienced consistent and negative effects on sleep. Surprisingly, traditional TV was associated with earlier bedtimes. “We’ve been seeing teenagers…  read on >  read on >

Monkeypox was the cause of death in a Los Angeles County adult last week, public health officials confirmed Tuesday. This is the first known death from monkeypox to be reported in the United States. The Los Angeles County Department of Public Health said the patient had been hospitalized and had a severely weakened immune system.…  read on >  read on >

The time of day — or especially night — that you eat may affect your mental health, according to a small new study. Researchers created a simulated shift-work schedule and found increases in depression and anxiety for those eating at odd hours. “Our findings provide evidence for the timing of food intake as a novel…  read on >  read on >

Gum disease has far-reaching effects and may increase your odds of developing dementia, a new study suggests. In a review of 47 previously published studies, researchers in Finland found that tooth loss, deep pockets around teeth in the gums, or bone loss in the tooth sockets was tied to a 21% higher risk of dementia…  read on >  read on >