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　　Your brain and food

　　We all know that what you eat can change your physical appearance. It also changes how your body functions, making it more or less difficult to pump blood, grow healthy bones or process insulin(胰岛素).

　　New research presented this week at the Neuroscience 2017 conference suggests that what you eat can even change your brain and vice versa(反之亦然).

　　Timothy Verstynen and his colleagues used a machine to observe the brain activity in 29 adults. The study participants were shown words on a screen in various colors and asked to identify the color, not the word. Sometimes it was easy—the word red printed in red; other times it was harder, like seeing the word red printed in blue.

　　The overweight and obese participants’ brains showed more activity during difficult questions, suggesting they were working harder to get the same answers.

　　Verstynen said the results imply that obese people are less efficient at making complex decisions, which could be important for controlling foolish behavior.

　　His team theorizes that unhealthy eating choices can lead to disrupted(分裂的)brain connections that lead to weakened brain performance, which can lead to making more unhealthy choices.

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