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Everything to Know About Omega-3 Fatty Acids

Update Date: Jun 07, 2021 11:52 AM EDT
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Everything to Know About Omega-3 Fatty Acids
(Photo : Everything to Know About Omega-3 Fatty Acids)

It can seem like health guidance is always changing, and research is shifting, but there are some things that stay consistent. For example, omega-3 fatty acids are one of the most important things we can include in our diet. 

These can help reduce inflammation, and they're good for the brain. Having a diet high in omega-3 fatty acids can help reduce the risk of neurodegenerative disorders like Alzheimer's. Including foods with omega-3s can even help you recover from head and brain injuries faster.

With that in mind, the following are the specific things to know about omega-3 fatty acids and their role not just in brain health but overall wellness. 

What Are Omega-3 Fatty Acids?

Omega-3 acids are found in foods, like certain types of fish. They're also in flaxseed, and they're commonly included in nutritional supplements. 

There are three specific types of omega-3 fatty acids

There's alpha-linolenic acid or ALA. There's eicosatetraenoic acid or EPA, and then there's docosahexaenoic acid or DHA. ALA is mostly in seed and plant oils like canola oil and soybean oil, while DHA and EPA are mostly in fish. 

ALA is an essential fatty acid that you have to get from your diet because your body can't make it. Your body converts ALA into small amounts of DHA and EPA, but you need to get those from foods as well if you want to increase your omega-3 levels. 

Omega-3 fatty acids are components of the membranes that surround all the cells of your body. There are especially high DHA levels in the brain, eyes, and sperm cells. Omega-3s also play a role in the health of the immune system, endocrine system, and blood vessels. 

Another term that's relevant when talking about fatty acids is omega-6. Omega-6 fatty acids play a role in blood clotting and inflammation, and omega-3s are anti-inflammatories. 

There's some evidence that eating too much omega-6 fatty acids can reduce the benefits of omega-3s. The standard western diet tends to have a higher amount of omega-6 fatty acids, so working to maintain a balanced ratio between the two is important for good health. 

Fatty, cold-water fish tend to be the best source of omega-3s. Salmon is an example of coldwater, fatty fish. Walnuts, chia seeds, mackerel, tuna, and herring are also good sources. 

If you were going to take a supplement along with general fish oil supplements, you might specifically take krill or cod liver oil. Algal oil is a vegetarian source of omega-3s. 

What Are the Benefits of Omega-3s?

Some of the general benefits of making sure you get enough omega-3s in your diet can include:

  • Reduced mental health symptoms. Anxiety and depression are unfortunately very common throughout the world, but studies have shown that people who have diets high in omega-3s have reduced symptoms of mental health disorders. There was one study that found EPA was as effective as an antidepressant drug in combating depression.  

  • If you don't have enough DHA, it can impact the health of your eyes. DHA is one of the components of your eye retina. Consuming an adequate amount of omega-3s can help reduce the risk of eye damage and conditions like macular degeneration. 

  • During pregnancy, omega-3s are important for a developing fetus. Research has found adequate omega-3s consumed during pregnancy can help your child have higher intelligence, better communication and social skills, and fewer behavioral problems. 

  • Cardiovascular disease is one of the leading causes of death throughout the world, including heart attacks and stroke. Consuming a diet rich in omega-3 can help reduce the risk of heart disease. Omega-3s can reduce bad cholesterol and blood pressure, keep platelets from clumping together and forming clots, and they can prevent damage to your arteries. 

  • There are omega-3 supplements that are marketed toward children, and they may be able to reduce ADHD symptoms. 

  • If you have metabolic syndrome, which is characterized by obesity, high blood pressure, high cholesterol, and insulin resistance, omega-3s may reduce symptoms. 

  • Chronic inflammation is thought to be linked to diseases like cancer as well as heart disease. Omega-3 fatty acids can reduce the production of inflammatory molecules. 

  • Millions of Americans struggle with autoimmune diseases like lupus, multiple sclerosis, rheumatoid arthritis, and Crohn's. Omega-3s can help reduce the symptoms of autoimmune disease. 

  • When you age, there is a decline in brain function, but higher intake levels of omega-3s can slow this decline and reduce the risk of developing Alzheimer's disease.

  • These healthy fats might reduce joint pain and support bone health. 

  • Increased levels of omega-3s may help with sleep problems. Low DHA levels are associated with lower levels of the sleep-inducing hormone melatonin. 

  • Healthy fats are good for your skin. They help skin look plumper and more moisturized, and they reduce the signs of aging. 

Omega-3s and Concussion Recovery

The idea of omega-3s being important to include in your diet if you're recovering from a concussion was touched on above and is also worth discussing on its own. 

Concussions are relatively common among both younger and older people, and over time repeated concussions can lead to serious damage. 

When a concussion occurs and your brain is deficient in omega-3 acids, it's harder for it to heal itself. Also, after a concussion, there's reduced DHA in the brain tissue. 

Making sure that you get enough omega-3s when you're dealing with a concussion can help you return to normal functioning. 

If you're like many people and you can't get enough from your diet, you might consider a supplement. If you're going to choose a supplement, it's best to look for one that has DHA and EPA, and if possible, a higher amount of DHA. 

Omega-3 fatty acids are critical for our overall health and well-being, including mental and emotional health. If you're not regularly eating foods with omega-3s, which many people aren't, you might want to talk to your doctor about whether or not a supplement would be a good choice for you. 

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