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A new Canadian study suggests fluoride exposure may be associated with sleeping fewer hours than recommended for optimal health. Key findings include: Higher levels of fluoride in tap water were associated with a 34% increased risk of sleeping less than recomm…
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A new systematic review and meta-analysis suggests that swapping out sugar-sweetened beverages (SSBs) for low- and no-calorie sweetened beverages (LNCSBs) may support modest weight loss and improve certain cardiometabolic factors. The study found that LNCSBs o…
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Genetically modified (GM) foods have been around since the 1990s and are becoming increasingly common in our food supply. While proponents point to the agricultural and nutritional benefits of GM crops, concerns remain about their safety and environmental impa…
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Cocaine use can lead to significant structural changes and accelerated aging of the brain, according to a new study. Key findings include: Cocaine users showed widespread gray matter loss in areas involved in emotions, language, cognition and decision-making.…
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Depression affects over 120 million people worldwide, carrying a heavy burden of disability, mortality, and cost. While medications like SSRIs have provided relief for many, most patients fail to achieve full remission. After 30 years with few advances in phar…
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Microplastics and nanoplastics are increasingly prevalent in our environment and food system, raising concerns about their impact on human health. A new review of the scientific literature explores the potential for these tiny plastic particles to negatively a…
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Artificial intelligence systems are increasingly being used to assist professionals like doctors and judges make important decisions that impact human lives. However, these AI systems are prone to biases that can lead to systematic errors. A new set of experim…
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Working memory training has been shown to provide widespread cognitive benefits, but how exactly does it change our brains? New research reveals that a demanding “dual n-back” training program alters functional connectivity even during rest, shedding light on…
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Classical psychedelics like LSD and psilocybin have recently re-entered mainstream discussions surrounding mental health. Small clinical trials have shown promising results for their therapeutic potential in treating conditions like depression, anxiety and add…
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Serotonin syndrome (SS) is a potentially life-threatening condition caused by excessive serotonin activity in the brain and body. Key facts: SS is characterized by a triad of mental status changes, neuromuscular abnormalities, and autonomic instability. It is…
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