News tagged with omega 3 fatty acids
Why is fish oil good for the heart? A new study suggests that this omega 3 fatty acid-rich nutrient could blunt some cardiovascular effects of mental stress.
Health May 22, 2013 | 5 / 5 (1) | 0
Eating fish is good for your heart, but taking fish oil capsules does not help people at high risk of heart problems who are already taking medicines to prevent them, a large study in Italy found.
Cardiology May 08, 2013 | 4 / 5 (1) | 0
Women are often told to eat more red meat, yet Flinders University PhD candidate Lily Chan (pictured) says it is just as important for women to increase their weekly fish intake.
Health May 06, 2013 | 5 / 5 (1) | 0
Adding omega-3 fatty acids did not improve a combination of nutritional supplements commonly recommended for treating age-related macular degeneration (AMD), a major cause of vision loss among older Americans, ...
Ophthalmology May 06, 2013 | 3 / 5 (2) | 0 |
The largest study to date finds that eating foods that contain omega-3 fatty acids, found in fish, chicken and salad dressing and avoiding saturated fats, meat and dairy foods may be linked to preserving memory and thinking ...
Neuroscience Apr 29, 2013 | not rated yet | 0
Counselling and treatment with naturopathic care as well as enhanced usual care reduced the prevalence of metabolic syndrome, a risk factor for heart disease, by 17% over a year for participants in a randomized controlled ...
Cardiology Apr 29, 2013 | not rated yet | 0
Researchers from Fox Chase Cancer Center have found that omega-3 fatty acids and their metabolite products slow or stop the proliferation, or growth in the number of cells, of triple-negative breast cancer cells more effectively ...
Cancer Apr 09, 2013 | 4 / 5 (1) | 0
A team of UC Davis scientists has found that a product resulting from a metabolized omega-3 fatty acid helps combat cancer by cutting off the supply of oxygen and nutrients that fuel tumor growth and spread of the disease.
Cancer Apr 02, 2013 | 5 / 5 (2) | 1 |
Omega-3 fatty acids found in oily fish may have diverse health-promoting effects, potentially protecting the immune, nervous, and cardiovascular systems.
Health Mar 05, 2013 | 4.8 / 5 (4) | 1 |
A lifelong diet rich in omega-3 fatty acids can inhibit growth of breast cancer tumours by 30 per cent, according to new research from the University of Guelph.
Cancer Feb 21, 2013 | not rated yet | 0
Triglyceride lipid emulsions rich in an omega-3 fatty acid injected within a few hours of an ischemic stroke can decrease the amount of damaged brain tissue by 50 percent or more in mice, reports a new study by researchers ...
Neuroscience Feb 20, 2013 | 5 / 5 (2) | 0 |
Medical literature long has touted the benefits of omega-3 fatty acids for the heart. But until now, researchers have not studied the potential benefit for people on hemodialysis, who are among the highest-risk patients for ...
Cardiology Feb 06, 2013 | not rated yet | 0
A team of academic researchers has pinpointed how vitamin D3 and omega-3 fatty acids may enhance the immune system's ability to clear the brain of amyloid plaques, one of the hallmarks of Alzheimer's disease.
Alzheimer's disease & dementia Feb 05, 2013 | 5 / 5 (1) | 0 |
Thanks to Kansas State University research, part of a healthy diet can include a hamburger rich with omega-3 fatty acids.
Health Feb 04, 2013 | 5 / 5 (1) | 0
Today, more than 500 million people are suffering from a lack of adequate protein in their diet. Each year, the number of human beings increases by 80 million, a figure which is equivalent to the present population of Germany. ...
Health Jan 28, 2013 | 5 / 5 (2) | 0
Omega-3 fatty acid
n−3 fatty acids (popularly referred to as ω−3 fatty acids or omega-3 fatty acids) are a family of unsaturated fatty acids that have in common a final carbon–carbon double bond in the n−3 position; that is, the third bond from the methyl end of the fatty acid.
Important nutritionally-essential n−3 fatty acids are: α-linolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA), all of which are polyunsaturated. The human body cannot synthesize n−3 fatty acids de novo, but it can form 20-carbon unsaturated n−3 fatty acids (like EPA) and 22-carbon unsaturated n−3 fatty acids (like DHA) from the eighteen-carbon n−3 fatty acid α-linolenic acid. These conversions occur competitively with n−6 fatty acids, which are essential closely related chemical analogues that are derived from linoleic acid. Both the n−3 α-linolenic acid and n−6 linoleic acid are essential nutrients which must be obtained from food. Synthesis of the longer n−3 fatty acids from linolenic acid within the body is competitively slowed by the n−6 analogues. Thus accumulation of long-chain n−3 fatty acids in tissues is more effective when they are obtained directly from food or when competing amounts of n−6 analogs do not greatly exceed the amounts of n−3.
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