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Health

OMEGA 3: WHY ARE SUPPLEMENTS ARE NO EFFECTIVE FOR HEART?

London / Omega 3 supplements have “little or no-benefit” to the heart, according to an investigation by the non-profit organization Cochraen, based in London, after conducting 79 clinical trials to 112,059 people from different parts of the planet.

Omega 3-fatty acids are found in high proportion in the tissues of certain fish and shellfish, and in some plant sources, such as soybean oil or nuts.

Its consumption in the form of supplements is promoted globally due to the widespread belief that these fatty acids help prevent heart disease, including the reduction of blood pressure and cholesterol.

However, the analysis made with the results of 79 clinical trials to a sample of 112,059 people from different parts of the Earth (North America, Europe, Asia and Australia), has denied this assumption.

“The Cochrane researchers found that increasing long chain Omega 3, mainly through supplements, provides little or no benefit in most of the indicators studied,” they explained from the organization.

“The risk of death from any cause was 8.8% in those people who increased the consumption of long chain Omega 3 fatty acids, compared to 9% in the population group that did not modify their diet,” they added.

In this line, experts reported that the intake of long chain Omega 3 (as in margarines or fish oils) has little or no effect in reducing the risk of cardiovascular disease or cardiac death.

Despite this, they clarified, yes it is “possible” to reduce triglycerides and HDL cholesterol or good cholesterol.

“The study provides us with evidence that consuming long chain Omega 3 supplements has no benefit for the heart,” they said.

“On the other hand, although bluefish, for example, is a healthy food, it is not clear that increasing its consumption protects our hearts,” they stressed.

However, in the case of one of the three types of Omega 3, ALA (alpha-linolenic acid), which can be found in vegetable oils – such as flaxseed, soybean and canola oil – and in nuts, experts suggested that this one could protect “slightly” from certain cardiac and circulatory diseases.

“The effect, however, is very small. A thousand people would need to increase their ALA intake to prevent a person from dying from coronary heart disease or experiencing a cardiovascular event, “they specified.

After the publication of the conclusions, the principal investigator Lee Hooper, of the University of East Anglia, assured that “we can be sure of the investigations, that go against the popular belief that the supplements of Omega 3 of long chain protect the heart”.

“In addition, these supplements of Omega 3 have a considerable cost; so my advice is that those who buy them in the hope of protecting their hearts will spend their money on vegetables instead of on this, “commented the cardiologist Tim Chico, of the English University of Sheffield. (July 20, 2018, EFE/Practica Español)

News related in video (October 2013):


Comprehension

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Question 1
Según el texto, un estudio científico...          
A
demuestra que la ingesta de suplementos de Omega 3 apenas tiene efectos beneficiosos para la salud.
B
corrobora que la ingesta de suplementos de Omega 3 mejora notablemente la salud.
C
demuestra que la ingesta de suplementos de Omega 3 es perjudicial para la salud.
Question 2
En el texto se dice que...      
A
ese estudio no ha logrado refutar que la ingesta de aceites grasos Omega 3 sea imprescindible para reducir el colesterol.
B
se creía que el consumo de aceites grasos Omega 3 ayuda a prevenir enfermedades que afectan al corazón.
C
hasta ahora nadie había pensado que los aceites grasos Omega 3 podrían prevenir enfermedades cardiovasculares.
Question 3
Las personas que participaron en ese ensayo clínico...  
A
proceden de un mismo país.
B
proceden de diferentes países de un mismo continente.
C
proceden de diferentes continentes.
Question 4
Según los expertos, el consumo de Omega 3 de cadena larga...    
A
afecta seriamente a la salud humana.
B
ayuda notablemente a reducir el riesgo de padecer una enfermedad cardiovascular.
C
apenas servirá para prevenir enfermedades que afectan al corazón.
Question 5
Los expertos destacan que...
A
todos los tipos de ácidos grasos Omega 3 son perjudiciales para la salud y su ingesta incrementa el riesgo de padecer enfermedades.
B
no hay ningún tipo de Omega 3 que pueda ser beneficioso para la salud aunque se consuma en grandes cantidades.
C
se tendría que aumentar mucho la ingesta de un tipo de Omega 3 para que este tuviera algún efecto beneficioso.
Question 6
En el vídeo se habla...      
A
de las enfermedades que más afectan a la población.
B
de un nuevo medicamento que previene enfermedades cardiovasculares.
C
de lo que se debe hacer para tener un corazón sano.
Question 7
Según el vídeo,  los expertos afirman...  
A
que no hace falta actuar con rapidez cuando se presentan los síntomas de un infarto.
B
que los infartos se pueden detectar a tiempo.
C
que es imposible saber cuándo una persona tiene un ataque al corazón.
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