Wednesday November 20, 2019

Study Says, Fish Oil Supplements Cause No Effect on Anxiety Conditions

For the findings, the research team looked at 31 trials of adults with and without depression or anxiety

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Fish Oil
They found that the Fish Oil supplements had little or no effect in preventing depression or anxiety symptoms. Pixabay

Increased consumption of omega-3 fats is widely promoted globally because of a common belief that it will protect against conditions such as anxiety and depression, but researchers have now found that fish oil supplements have little or no effect on such conditions.

Omega-3 is a type of fat. Small amounts are essential for good health and can be found in the food that we eat including nuts and seeds and fatty fish, such as salmon.

They are also readily available as over-the-counter supplements and are widely bought and used.

The study, published in the British Journal of Psychiatry, found that omega-3 supplements offer no benefit.

“This large systematic review included information from many thousands of people over long periods,” said study lead author Lee Hooper, from University of East Anglia in UK.

“Despite all this information, we don’t see protective effects, the most trustworthy studies consistently showed little or no effect of long-chain omega-3 fats on depression or anxiety, and they should not be encouraged as a treatment,” Hooper added.

For the findings, the research team looked at 31 trials of adults with and without depression or anxiety.

Fish Oil
Increased consumption of omega-3 fats is widely promoted globally because of a common belief that it will protect against conditions such as anxiety and depression, but researchers have now found that Fish Oil supplements have little or no effect on such conditions. Pixabay

More than 41,470 participants were randomised to consume more long-chain omega-3 fats (fish oils), or maintain their usual intake, for at least six months

They found that the supplements had little or no effect in preventing depression or anxiety symptoms.

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“Oily fish can be a very nutritious food as part of a balanced diet but we found that there is no demonstrable value in people taking omega-3 oil supplements for the prevention or treatment of depression and anxiety,” said study researcher Katherine Deane. (IANS)

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Study Finds No Link Between Fish Oil and Prostrate Cancer

While a seeming association between higher plasma omega-3 levels and the findings of severe heart disease upon initial angiogram might raise alarms that omega-3 isn't beneficial, "they did live to see a doctor and get diagnosed," Le added

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Cancer
Cancer Ribbon. Pixabay

If you are taking Omega-3 pills or relish two-three servings of Omega-3 rich fish a week, you can continue with those, without worrying about its potential prostate cancer risk that some previous research with preliminary findings have reported in the past.

The researchers at the Intermountain Healthcare Heart Institute in Salt Lake City, Utah who continue to research the potential benefits and risks of this popular fish oil supplement — especially when it comes to prostate cancer risk and heart health — have found no link between the two.

The Intermountain research team presented two new studies about omega-3s at the “2019 American Heart Association Scientific Sessions” in Philadelphia on Sunday.

In one study, the research team identified 87 patients who were part of the Intermountain ‘INSPIRE Registry’ and had developed prostate cancer.

These patients were also tested for plasma levels of docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), which are two common omega-3 fatty acids.

When compared to a matched control group of 149 men, the researchers found that higher omega-3 levels were not linked with elevated prostate cancer risk.

Viet T Le from Intermountain Healthcare Heart Institute said they undertook this study in light of findings from a 2013 paper from the Journal of the National Cancer Institute that suggested a possible link between higher omega-3 plasma levels and the development of prostate cancer, one that has been debated since publication.

“If I’m recommending omega-3 for my patients to save their hearts, I want to make sure I’m not putting them at risk for prostate cancer,” said Le.

Fish Oil, Pills, Diabetes
Increased consumption of omega 3 fats is widely promoted because of a common belief that it will protect against, or even reverse, conditions such as diabetes. Pixabay

“Our study found no evidence of a link between the two.”

In the second study, the researchers looked at 894 patients undergoing coronary angiography (a test that shows how blood flows through the arteries in the heart).

These patients had no prior history of heart attack or coronary artery disease, however upon their first angiogram, about 40 per cent of those patients had severe disease and about 10 per cent had three-vessel disease, Le said.

Researchers also measured patients’ plasma levels of omega-3 metabolites, including DHA and EPA. Those patients were then followed to see who had subsequent heart attack, stroke, heart failure, or who died.

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They found that patients who had higher rates of omega-3 metabolites had a lower risk of those follow up adverse effects regardless of whether they had severe disease or not on their initial angiogram.

“This study is important because we looked at how omega-3 helps patients who have already developed disease, and its effects on survival – both in getting to the first angiography to be diagnosed (vs. having a heart attack or worse before even knowing they have heart disease) and thereafter,” Le elaborated.

While a seeming association between higher plasma omega-3 levels and the findings of severe heart disease upon initial angiogram might raise alarms that omega-3 isn’t beneficial, “they did live to see a doctor and get diagnosed,” Le added.

“And we saw a link between higher levels of omega-3 and their survival rate thereafter,” they wrote. (IANS)