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The finding has implications for school success and lends support to existing recommendations to limit the amount of sweetened beverages schoolchildren drink. The authors also recommend that children avoid energy drinks, which in addition to high levels of sugar also often contain caffeine. The study is published in the journal  Academic Pediatrics. The research team -- led by professor Jeannette Ickovics, director of CARE (Community Alliance for Research and Engagement) at the School of Public Health -- surveyed 1,649 middle-school students randomly selected from a single urban school district in Connecticut. The researchers found that boys were more likely to consume energy drinks than girls and that black and Hispanic boys were more likely to drink the beverages than their white peers. The average age of the student participants was 12.4 years old. The study controlled for the number and type of other sugar-sweetened drinks consumed. "As the total number of sugar-sweete...

Led by Søren Dalsgaard from Aarhus University in Denmark, the large nationwide  cohort study followed nearly 2 million individuals from the Danish national registers, including more than 32000 people with ADHD, from their first birthday to 2013 (a maximum of 32 years). The causes of premature death were assessed to compare individuals with and without ADHD. During follow-up, 107 individuals with ADHD died. People diagnosed with ADHD were about twice as likely to die prematurely as people without the disorder, even after adjusting for factors known to affect the risk of early death including age, sex, family history of psychiatric disorders, maternal and paternal age, and parental education. This increased risk of premature death  in people with ADHD was mainly driven by deaths from unnatural causes, more than half of which were caused by accidents (42 deaths among 79 people for whom the cause of death was known). The risk of dying prematurely increased with age at diagno...