Thursday December 13, 2018

Eating Fish Twice a Week Reduces the Risk of Heart Failure

Consuming fish which are high in Omega-3 fatty acids twice a week can help reduce the risk of heart failure, coronary heart disease, cardiac arrest and ischemic stroke, says a new scientific advisory from the American Heart Association.

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Based on the doses given in the study, humans should consume two to three servings of fish a week to have the same effect. Pixabay
Based on the doses given in the study, humans should consume two to three servings of fish a week to have the same effect. Pixabay
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Consuming fish which are high in Omega-3 fatty acids twice a week can help reduce the risk of heart failure, coronary heart disease, cardiac arrest and ischemic stroke, says a new scientific advisory from the American Heart Association.

The Association recommends eating two 3.5-ounce servings of non-fried fish, or about three-fourth cup of flaked fish every week.

Emphasis should be placed on eating oily fish like salmon, mackerel, herring, lake trout, sardines or albacore tuna, which are all high in omega-3 fatty acids.

 

Representational image. Pixabay

 

“Scientific studies have established the beneficial effects of eating seafood rich in Omega-3 fatty acids, especially when it replaces less healthy foods such as meats that are high in artery-clogging saturated fat,” said Eric B. Rimm, Professor at the Harvard University’s T.H. Chan School of Public Health in Boston, US.

Further, the advisory, published in the journal Circulation, laid emphasis on eating fish such as shark, swordfish, tilefish, king mackerel, bigeye tuna, marlin and orange roughy that are high in mercury.

Even though mercury contamination has been linked with serious neurological problems in newborns, it does not have adverse effects on heart disease risk in adults, the advisory noted.

key to a healthy heart
Fish also contains Omega-3 fatty acids which help with depression. Pixabay

Moreover, the benefits of eating fish substantially outweighed any risks associated with mercury contamination, especially if a variety of seafood is consumed, it said.

According to a study, published in the journal Molecular Nutrition and Food Research, adding fatty fish to our diet increases the size and lipid composition of high-density lipoprotein (HDL) particles, also known as good cholesterol, in people with impaired glucose metabolism.

Also Read: According to Research, No Exercise For 6 Years Can Trigger Heart Failure Risk

Another study, published in the Journal of Nutritional Biochemistry, showed that Omega-3 fatty acids are more beneficial than flaxseed and other oils for preventing cancer. (IANS)

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Eat Vegetarian Diet to Ward Away Heart Disease

This is in contrast to the previous research that showed TMAO blood plasma levels -- and heart disease risk -- rise after the consumption of red meat and eggs, the researchers said

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Leafy vegetables. Pixabay

If you are suffering from high blood pressure, consuming fish, seafood and a primarily vegetarian diet may help reduce hypertension-related heart disease symptoms, a study suggests.

Intake of fish, seafood and vegetarian food increases levels of a compound called trimethylamine N-oxide (TMAO), known to boost heart health, said researchers from the Medical University of Warsaw in Poland.

The study showed that low-dose treatment with TMAO reduced heart thickening (cardiac fibrosis) and markers of heart failure in an animal model of hypertension.

“Our study provides new evidence for a potential beneficial effect of a moderate increase in plasma TMAO on pressure-overloaded heart,” the researchers said.

For the study, published in the American Journal of Physiology – Heart and Circulatory Physiology, researchers analysed the effect of TMAO on rats, which have a genetic tendency to develop high blood pressure.

One group of hypertensive rats were given low-dose TMAO supplements in their drinking water, and another group received plain water.

They were given the TMAO therapy for either 12 weeks or 56 weeks and were assessed for heart and kidney damage as well as high blood pressure.

Heart Attack, women
The study showed that low-dose treatment with TMAO reduced heart thickening (cardiac fibrosis) and markers of heart failure in an animal model of hypertension.
Pixabay

The results showed that TMAO treatment did not affect the development of high blood pressure in any of the spontaneously hypertensive rats.

However, condition of the animals given the compound was better than expected, even after more than a year of low-dose TMAO treatment.

In addition, four- to five-fold increase in plasma TMAO does not exert negative effects on the circulatory system.

This is in contrast to the previous research that showed TMAO blood plasma levels — and heart disease risk — rise after the consumption of red meat and eggs, the researchers said.

Also Read- Women Rising Early Have Lower Risk of Breast Cancer

“It seems that a fish-rich and vegetarian diet, is associated with a significantly higher plasma TMAO than red meat-and egg-rich diets, considered to increase the cardiovascular risk,” the researchers noted.

“However, further study is needed to assess the effect of TMAO and TMA on the circulatory system.” (IANS)