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Data from more than 180 research papers suggests fish oils could minimize the effects that junk food can have on the brain, a review by researchers at the University of Liverpool has shown.

The team at the Universitys Institute of Ageing and Chronic Disease reviewed research from around the world to see whether there was sufficient data available to suggest that omega-3s had a role to play in aiding weight loss.

Research over the past 10 years has indicated that high-fat diets could disrupt neurogenesis, a process that generates new nerve cells, but diets rich in omega-3s could prevent these negative effects by stimulating the area of the brain that control feeding, learning and memory.

Data from 185 research papers revealed, however, that fish oils do not have a direct impact on this process in these areas of the brain, but are likely to play a significant role in stalling ined sugars and saturated fats ability to inhibit the brains control on the bodys intake of food.

Dr Lucy Pickavance, from the Universitys Institute of Ageing and Chronic Disease, explains: "Body weight is influenced by many factors, and some of the most important of these are the nutrients we consume. Excessive intake of certain macronutrients, the ined sugars and saturated fats found in junk food, can lead to weight gain, disrupt metabolism and even affect mental processing.

"These changes can be seen in the brains structure, including its ability to generate new nerve cells, potentially linking obesity to neurodegenerative diseases. Research, however, has suggested that omega-3 fish oils can reverse or even prevent these effects. We wanted to investigate the literature on this topic to determine whether there is evidence to suggest that omega-3s might aid weight loss by stimulating particular brain processes."

Research papers showed that on high-fat diets hormones that are secreted from body tissues into the circulation after eating, and which normally protect neurons and stimulate their growth, are prevented from passing into the brain by increased circulation of inflammatory molecules and a type of fat called triglycerides.

Molecules that stimulate nerve growth are also reduced, but it appears, in studies with animal models, that omega-3s restore normal function by interfering with the production of these inflammatory molecules, suppressing triglycerides, and returning these nerve growth factors to normal.

Dr Pickavance added: "Fish oils dont appear to have a direct impact on weight loss, but they may take the brakes off the detrimental effects of some of the processes triggered in the brain by high-fat diets. They seem to mimic the effects of calorie restrictive diets and including more oily fish or fish oil supplements in our diets could certainly be a positive step forward for those wanting to improve their general health."

The research is published in the British Journal of Nutrition. Dr Pickavance will also be discussing the effects of high-fat diets on meal patterns and the impacts of high-saturated fats on muscle composition at the 20th European Congress on Obesity at the Liverpool Arena and Convention Centre later this month.

Dr Pickavance will exhibit her work on obesity at Liverpool World Museum for members of the public on the 8 June, as part of the Universitys Institute of Ageing and Chronic Disease Meet the Scientist event.

Omega 3 fish oils are well documented to have many health benefits which the following infographic highlights. Increasing your omega 3 fatty acids can help lower your risk of heart problems and inflammatory conditions, but also a positive step towards a healthier, more balanced diet. Omega 3 is a polyunsaturated fatty acid and one of the “good” fats our bodies are unable to make. Fatty acids have been found to reduce total blood cholesterol and triglycerides and may increase the HDL (good) cholesterol in the blood, and could help in reducing the risk of coronary heart disease and heart attacks. Additionally they may help reduce inflammatory conditions, such as arthritis, while recent research suggests Omega 3 could help depression too.”

The following infographic summarises the benefits of Omega 3 fish oils:


By Healthspan — UKs largest direct supplier of Vitamins and Supplements.

Article source : Benefits of Omega 3 Fish Oils

Fish, Good for Heart and Pregnancy | The fish was not only consumed as a tasty side dish. The team of researchers from Harvard University (USA) led by Dr. Albert, has developed a measurement of the risk of heart disease based on the level of Omega-3 acids derived from fish oil.

The result, low omega-3 acids in the blood will make possible increased risk of heart disease. Its no secret that eating oily fish containing omega-3 would protect the heart and reduce the risk of heart attack. Although the process is unknown, but in fact the omega-3 acids are able to stabilize the blood flow in the heart.

Dr. Albert explained by checking the level of omega-3 is sufficient for a doctor to warn and give relief to the patient of the risk of heart attacks and sudden death due to heart. "If the blood omega-3 less than 4% in their blood cells, the risk of heart attack deaths would be higher. While the level of 8% would have the least risk."

The research of Dr. Albert was taken by Dr Ray Rice of The International Society for the Study of Fatty Acids and lipids. "Dr. Albert gave a result that opens the possibility of the easiest to identified whether a person runs the risk of death from heart attack. Ease is located in the omega-3 levels rise."

While Belinda Linden of the British Heart Foundation said the research of Dr. Albert further clarify the benefits of fish consumption that contain lots of omega-3 acids. "Comments Dr Albert is clearly supporting the fish consumption is very high in omega-3 as a protection from heart disease. Because omega-3 levels in the blood will be directly visible when eating fish."

Belinda also said that in addition to the research of Dr. Albert also help physicians to provide solutions for patients. "7 out of 10 Britons still not eating enough fish. With a balanced diet of fish, fruit and vegetables will make a heart attack can be reduced."

In the UK, heart disease is the number one killer disease. Previous studies mentioned by consuming fish oil from salmon or tuna twice a week will protect a person from a heart attack. Because omega-3 can stabilize the heart rhythm in which the oil can withstand excessive sodium and calcium on the heart.

Fish and Pregnancy

In addition, fish consumption during pregnancy can improve fetal growth. This was stated by Dr Imoegen Roger from the University of Bristol in England after doing research on the 11 550 pregnant women. He found that by eating fish during the 32 weeks of pregnancy will accelerate the growth of the fetus.

"Our results further support previous studies that consumption of fish or omega three acids during pregnancy will increase the average growth of the fetus."

Fish is known as a producer, and rich in omega-3 acids, which is very essential in the growth of cell function. Omega three acids obtained from fish in addition, can also be obtained from canola oil, flaxseed oil and nuts. The object of research, the team asked about how much they do fish consumption during pregnancy.

After questions were raised, then the research team calculated the amount of omega-3 acids are expected to be consumed by pregnant mothers were. The average pregnant women who consumed 33 grams of fish or equal to three-quarters of tuna fish a day would be about 0.15 grams obtain omega-3 acids.

The more fish consumed will increasingly make the higher fetal weight. Dr. Imogen Rogers added that although the consumption of fish does not give any impact on length of pregnancy, but that certainly could accelerate the growth of the fetus while omega-3 acid was obtained from supplements.

Source: Indonesiaindonesia.com