Turn on the blue light to help your heart

The Sunday Telegraph (Sydney) - Body and Soul - - B+S -

If you’re one of the six mil­lion Aussies with high blood pres­sure, there’s light at the end of the tun­nel. Re­searchers from Ger­many and the UK have dis­cov­ered that ex­po­sure to blue light can lower your blood pres­sure, re­duce ar­te­rial stiff­ness, re­lax blood ves­sels and in­crease lev­els of ni­tric ox­ide, which pro­tects the car­dio­vas­cu­lar sys­tem. “Wear­able blue-light sources could make con­tin­ued ex­po­sure to light pos­si­ble and prac­ti­cal. This would be par­tic­u­larly help­ful to those whose blood pres­sure is not eas­ily con­trolled by med­i­ca­tion,” ex­plains pro­fes­sor Chris­tian Heiss. Although fur­ther stud­ies are re­quired, early re­sults are promis­ing, so stay tuned!

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