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A new study from the US Centers for Disease Control and Prevention found that most adolescents experienced negative events during the Covid-19 pandemic – and those experiences were linked to higher prevalence of poor mental health and suicide attempts. Nearly three-quarters of high school students in the US reported experiencing at least one adverse childhood experience in 2021, such as physical abuse, emotional abuse, food insecurity or loss of a parent’s job during the Covid-19 pandemic. Also included were electronic bullying, dating violence and sexual violence. (McPhillips, 10/13)

A new study from researchers at the University of Cambridge indicates it may be possible to detect dementia within a patient nearly a decade before they are diagnosed. (Nieto, 10/13)

Despite recent progress, there's still a high incidence of chronic kidney disease among adults with diabetes, particularly in minority communities, a new analysis in the New England Journal of Medicine finds. (Dreher, 10/13)

Research often proceeds in a logical progression, new studies building upon a detailed understanding of the underlying processes revealed by earlier work. But a new brain imaging technique that can directly track the activity of neurons emerged from one of academics’ favorite questions: “What would happen if we tried doing it this way?” (Trang, 10/13)

Two recent studies add to the idea by showing that when it gets hot out, people are more prone to hate speech and hostile behavior. One study found hate speech on social media escalated with high temperatures. Another reported an increase in workplace harassment and discrimination at the U.S. Postal Service when the temperature eclipsed 90 degrees. (Ajasa, 10/13)

KHN: Weight Loss Gadgets: They Provide Data To Help Consumers Achieve Diet Goals, But It Still Won’t Be Easy 

I felt a special kind of awe, then panic, watching my glucose levels skyrocket for the first time after relishing a cold beer on a sweltering summer evening. It was a biological push notification from the fluid just beneath my skin that the carbohydrate-packed beverage was interfering with efforts to maintain my health and weight. For years, people with Type 1 diabetes have worn continuous glucose monitors, or CGMs, to track blood sugar spikes and make sure they’re getting enough insulin. CGMs are small patches with tiny needles for sensors that prick the skin and are generally worn on the stomach or back of the arm. (Norman, 10/14)