Navigation Links
Low-dose Omega-3 Linked to Lower Blood Pressure

Low doses of the omega-3 fatty acids docosahexaenoic acid (DHA) successfully reduced diastolic blood pressure by 3.3 mmHg in a clinical trial, backing up previous results with higher doses. //

"A significant reduction in diastolic BP was noted which is likely to be of clinical significance with regard to risk of future vascular events in middle-aged subjects," wrote lead author Hannah Theobald from King's College London.

Omega-3 has been identified as one of the super-nutrients taking the food and supplements industry by storm. Much of its healthy reputation that is seeping into consumer consciousness is based largely on evidence that it can aid cognitive function and may help protect the heart against cardiovascular disease.

Several intervention trials have reported positive benefits on blood pressure and cardiovascular disease using omega-3 fatty acids. Indeed, Theobald noted that a meta-analysis of randomized, controlled trials showed significant decreases in both systolic and diastolic blood pressure with omega-3 doses in the region of two to three grams per day.

To test if lower doses also conferred a positive effect, the King's College researchers recruited 38 middle-aged subjects (average age 48.6, average BMI 24 kg per sq.m, baseline average blood pressure 121.6/79.15 mmHg) to randomly receive either a 0.7 gram daily dose of DHA derived from Crypthecodinium cohnii (Martek Biosciences) or an olive oil placebo for three months. A four-month washout period separated the cross-over to the alternative intervention.

Writing in the current issue of the Journal of Nutrition Theobald states that the daily DHA supplement increased DHA levels in red blood cells (erythrocytes) by 58 per cent. Diastolic blood pressure decreased by an average of 3.3 mmHg, while no significant differences occurred for systolic blood pressure, she said.

Other measures of cardiovascular function, like the markers o f inflammation, C-reactive protein and interleukin-6 (IL-6), were not affected significantly by supplemental DHA.

The potential mechanism behind these effects was not studied directly, but the researchers state that other studies have proposed a direct effect of the omega-3 fatty acids on the electrophysiology of the heart by affecting the sinus node (the heart's natural pacemaker) or efficiency of the ventricles.

"Future work is needed to confirm these findings and to investigate further the effects of DHA on cardiac function," concluded the researchers.

Hypertension, defined as having a systolic and diastolic BP greater than 140 and 90 mmHg, affects about 600 million people worldwide and is associated with over seven million deaths.

Commenting independently on the study, June Davidson, a cardiac nurse from UK charity, the British Heart Foundation (BHF) told "This study shows that low dose supplements with long chain omega-3 can lower diastolic blood pressure. However we need further research to show whether such low doses could reduce cardiovascular events, such as heart attacks or strokes.

"Diets rich in long chain omega-3 fats are beneficial for heart health. The best source of these omega -3s is oily fish, such as mackerel, sardines, salmon, trout and fresh tuna."

Source-Bio-Bio Technology

Related medicine news :

1. Low-dose Growth Hormone (GH) with diet and exercise may help weight loss
2. Low-dose Aspirin Benefits Both Sexes
3. Low-dose Aspirin Beats High-dose After Cardiac Surgery
4. Clinical Trials for a Low-dose Steroid Therapy for Bone Marrow Cancer Prove Positive
5. Omega-3 fatty acids impair immunity
6. An Omega-3 and Omega-6 Diet Could Enhance Breast Cancer Treatment
7. Consume Omega-3s &d Omega –6s and Prevent Osteoporosis
8. Another Benefit For Human Health Attributed To Omega-3-Fats
9. Omega-3 May Help Special Children
10. A Diet Rich in Omega-3 Has Numerous Health Benefits
11. Proper Ratio Of Omega-3 And Omega-6 Could Reduce Prostate Cancer Growth
Post Your Comments:

(Date:12/1/2015)... (PRWEB) , ... December 01, 2015 , ... Dr. Paul ... Vitenas Cosmetic Surgery, has been named by MedEsthetics magazine as the Best Single Physician ... the best among the many elite aesthetic physicians honored by the industry publication. ...
(Date:12/1/2015)... ... December 01, 2015 , ... CloudLIMS today ... Golden Bridge Business Awards under the New Products and Services category for its ... sample management software that helps labs organize data and track samples ...
(Date:12/1/2015)... ... December 01, 2015 , ... ... must mark the film for accurate interpretation by the radiologist. The marking utensils ... inventor from Sacramento, Calif., has found a way to alleviate this problem. , ...
(Date:12/1/2015)... ... , ... McLean, VA., December 1, 2015 - Octo Consulting ... agile development contract to support the National Geospatial-Intelligence Agency's (NGA) IT Services Directorate. ... infrastructure, as well as operations and sustainment support to the NGA’s Agile Web ...
(Date:12/1/2015)... ... 01, 2015 , ... PartnerTech , a leader in ... since 2008. Gary Bruce, President of PartnerTech North America, currently serves as Director ... amount of time in Sweden since joining PartnerTech based in Malmo, Sweden. He ...
Breaking Medicine News(10 mins):
(Date:12/1/2015)... , Dec. 1, 2015 As enforcement of ... Chain Security Act (DSCSA) approaches, InfiniTrak ... independent pharmacies comply with looming FDA regulations. ... is entering endorsement agreements with State Pharmacy Associations, ... administration organization (PSAO) to exclusively provide the InfiniTrak ...
(Date:12/1/2015)... DUBLIN , Dec. 01, 2015 /PRNewswire/ ... announced the addition of the "Spinal ... Growth, Trends, and Forecast 2015 - 2023" ... ) has announced the addition ... - Pipeline Assessment, Size, Growth, Trends, and ...
(Date:12/1/2015)... -- Royal Philips  (NYSE: PHG, AEX: ... software that produces high-contrast images for all anatomies in ... at the 2015 Radiological Society of North America ... first digital imaging solution providing grid-like contrast improvement and ... and supports "first-time-right imaging" by decreasing the need for ...
Breaking Medicine Technology: