Blue low­ers stress rates

The Advertiser - - NEWS -

BLUE light could work as well as drugs to lower high blood pres­sure, doc­tors have found.

Just half an hour of blue light in a day re­duces blood pres­sure to the same level seen in those tak­ing tablets.

It is well known that sun­light low­ers blood pres­sure, with peo­ple less likely to have high blood pres­sure in the sum­mer than win­ter.

The prob­lem is that ex­ces­sive amounts of ul­tra­vi­o­let light, from the sun or a tan­ning bed, can also cause skin can­cer.

Re­searchers at Eng­land’s Univer­sity of Sur­rey found a so­lu­tion us­ing blue light, which is close to ul­tra­vi­o­let in the light spec­trum.

Af­ter ex­pos­ing 14 men aged 30 to 60 to half an hour of blue light over two days, their sys­tolic blood pres­sure fell by al­most 8 mmHg. Re­searchers say cloth­ing could be de­vel­oped with blue LED lights on the in­side.

Newspapers in English

Newspapers from Australia

© PressReader. All rights reserved.