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 offer similar benefits to water, the standard substitution recommended by health authorities. Key findings: Replacing SSBs with LNCSBs was linked …
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 experiments reveals that biases in AI systems can negatively influence the decisions of the humans relying …
A new Canadian study reveals that illicit cannabis contains concerning levels of pesticides, while legal cannabis products meet health safety standards. Key Facts: The study tested 327 different pesticides in legal and illegal dried cannabis samples from across Canada. 92% of illegal samples contained pesticides, compared to just 6% of legal samples. Illegal cannabis contained …
Researchers have tested an existing medication, modafinil, for treating cocaine addiction. The results show that modafinil can significantly reduce cocaine use, but its effectiveness depends on the situation and circumstances when cocaine is used. Key facts: Modafinil reduced cocaine use when cocaine was costly and no cocaine had been used recently. Modafinil did not reduce …
Schizophrenia is a mental disorder that affects how people think, feel, and behave. It involves problems with hallucinations, delusions, disorganized thinking, lack of motivation, and impaired functioning. Schizophrenia affects about 1% of the population and typically starts in late adolescence or early adulthood. The causes are still poorly understood. In a new study, researchers found …
A study finds that antidepressant treatment reduces empathy – but depression itself doesn’t impact empathy. Key Facts: People with untreated depression showed normal empathy and brain responses. After 3 months of antidepressant treatment, they showed reduced empathy and brain responses. The more their depressive symptoms improved, the more their empathy decreased. Antidepressants specifically reduced emotional …
