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BMC Complementary Medicine and Therapies
Published in: BMC Complementary Medicine and Therapies 1/2016

Open Access 01-12-2015 | Research article

Long-term antihypertensive effects of far-infrared ray irradiated from wooden board in spontaneously hypertensive rats

Authors: Chien-Tsong Lin, Ming-Ju Lin, Yung-Pin Chen, Ko-Chao Lee, Kuo-Chin Huang, Shun-Fu Chang, Cheng-Nan Chen

Published in: BMC Complementary Medicine and Therapies | Issue 1/2016

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Abstract

Background

Far-infrared ray (FIR) has been widely used in promoting health and has been shown to exert beneficial effects in vascular function. The non-thermal effect of FIR has been found to play a significant role in the protective effect on some vascular-related diseases, but its protective effects and use against hypertension have not been clearly presented.

Methods

In the present study, by using a wooden board coated with FIR-irradiated materials, we evaluated the long-term antihypertensive effect on spontaneously hypertensive rats (SHRs) in the environment in contact with the FIR-irradiated wooden board. SHRs were placed on the wooden board with or without FIR radiation for 4 weeks.

Results

The systolic blood pressure (BP) of SHRs undergoing different treatments was measured weekly using a tail-cuff method. FIR radiation significantly reduced the systolic BP of the SHRs along with a decreasing plasma level of angiotensin II and an increasing plasma level of bradykinin. In addition, long-term contact of FIR did not significantly affect the BP in normotensive Wistar Kyoto rats (WKYs).

Conclusions

Our results provided the evidence based on which FIR radiation could be considered an effective non-pharmacological choice for preventing hypertension.
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Metadata
Title
Long-term antihypertensive effects of far-infrared ray irradiated from wooden board in spontaneously hypertensive rats
Authors
Chien-Tsong Lin
Ming-Ju Lin
Yung-Pin Chen
Ko-Chao Lee
Kuo-Chin Huang
Shun-Fu Chang
Cheng-Nan Chen
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Complementary Medicine and Therapies / Issue 1/2016
Electronic ISSN: 2662-7671
DOI
https://doi.org/10.1186/s12906-016-1040-1

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