Health & Fitness

It takes billions of cells to make a human brain, and scientists have long struggled to map this complex network of neurons. Now, dozens of research teams around the country have made inroads into creating an atlas of the mouse brain as a first step toward a human brain atlas. The results describe how different cell types are organized and connected throughout the mouse brain.

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Researchers further refine the organization of cells within key regions of the mouse brain and the organization of transcriptomic, epigenomic and regulatory factors that provide these brain cells with function and purpose.

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Approximately 10% of new coronary heart disease cases occurring within a decade of middle age could be avoided by preventing iron deficiency, suggests a new study.

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The medication naloxone is so effective at saving the lives of opioid overdose victims that some people worry that it might make drug users think heroin and related drugs are no longer risky. But a new study suggests that is not the case.

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Athletes still have the edge over action video gamers when it comes to dynamic visual skills, a new study shows.

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Paleoanthropologists have wondered how and why humans evolved molars that emerge into the mouth at specific ages and why those ages are so delayed compared to living apes. It is the coordination between facial growth and the mechanics of the chewing muscles that determines not just where but when adult molars emerge. This results in molars coming in only when enough of a 'mechanically safe' space is created. Molars that emerge 'ahead of schedule' would do so in a space that, when chewed on, would disrupt the fine-tuned function of the entire chewing apparatus by causing damage to the jaw joint.

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A new study looks at the causal relationship between outdoor air pollution levels on nationwide university entry examination day and students' cognitive performance in Brazil.

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