Focus-Science and Technology - - DISCOVERIES -

Time to loosen up of­fice dress codes? Ger­man re­searchers have found that wear­ing a tight neck­tie can re­duce blood flow to the brain by as much as 7.5 per cent. The re­stric­tion could prove prob­lem­atic for those with high blood pres­sure or cir­cu­la­tion is­sues.

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