Wearing a tie can reduce blood flow to the brain by 7.5 per cent. A study in 2018 found that wearing a necktie can reduce the blood flow to your brain by up to 7.5 per cent, which can make you feel dizzy, and nauSEOus, and cause headaches. They can also increase the pressure in your eyes if on too tight and are great at carrying germs.
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Wearing a tie can reduce blood flow to the brain by 7.5%. According to a 2018 study, in addition to increasing eye pressure and carrying germs, wearing a tie too tightly can make you feel nauSEOus and dizzy, as well as cause headaches.