Tuna Wild Caught

What Is A Tuna Fish?

Tuna fish is a very diverse saltwater fish that belongs to the Scombridae family, commonly called the mackerel group. However, tuna belongs to a tribe, called Thunnini. This tribe contains 15 species of tuna, most of which are enjoyed around the world in culinary traditions.

This variety of fish are typically anywhere from 1 foot in length to 15 feet. While most of these fish live for 3-5 years, some have been known to live for more than two decades. They regularly make long migration across the oceans, sometimes thousands of miles in length, due to mating and changing seasons.

Tuna fish of varying species are found in all of the world oceans, and while different cultures enjoy different varieties, the health benefits are largely the same. Their delicious taste, global availability, and healthy components make them an ideal replacement for red to add some healthy fish variety to their diets.

Nutritional Value of Tuna Fish

The health benefits of tuna fish can be attributed to the impressive content of vitamins, minerals, and organic compounds found in this delicious fish. These include antioxidants and protein, without much-saturated fat or sodium. It also has impressive levels of selenium, phosphorous, iron, magnesium, and potassium, according to the USDA National Nutrient Database. In terms of vitamins, there is a wealth of vitamin B12 and niacin, as well as a good amount of vitamin B6 and riboflavin.

Health Benefits of Tuna Fish

The health benefits of tuna fish include its ability to reduce cardiovascular disorders, stimulate growth and development, lower blood pressure and cholesterol levels, and help in weight loss. Tuna also has the ability to boost the immune system, increase energy, aid in skincare, increase red blood cell count, and has anti-cancer properties. It also protects against various kidney diseases, prevents age-related macular degeneration, reduces general inflammation, and inhibits cell membrane damage.

Now, let’s explore more of the health benefits of tuna fish that these components confer.

Heart Health

Perhaps the most common health benefit that is attributed to tuna fish is its significant impact on heart health. In terms of reducing coronary heart diseases, this fish has high levels of omega-3 fatty acids, which help reduce omega-6 fatty acids and LDL or bad cholesterol in the arteries and blood vessels. Furthermore, it often replaces foods with high saturated fat content, further lowering the risk of heart diseases.

Blood Pressure

The anti-inflammatory omega-3 fatty acids can help reduce blood pressure. Potassium, found in tuna, is a vasodilator and is very good for lowering blood pressure. Reducing hypertension can significantly boost health by lowering the strain on the cardiovascular system. This will help prevent heart attacks and strokes, as well as conditions like atherosclerosis.

Eye Care

Tuna fish, being rich in omega-3 fatty acids, is a great option for preventing eye disorders like age-related macular degeneration. Paul A. Sieving, M.D., Ph.D., director of the National Eye Institute (NEI), and John Paul San Giovanni, Sc.D., were involved in a comprehensive research study on dietary omega-3 fatty acids in protecting against the development and progression of retinal disease. This disease is the major reason behind the occurrence of blindness in elderly people. The blindness is also caused due to diabetic complications and this fish can help in reducing the chances of diabetic retinopathy.

Growth and Development

Tuna fish is packed with high levels of protein. A single serving of only 165 grams (approximately 1 can of tuna fish) contains more than 80% of daily protein requirement. Proteins are the building blocks of our body that guarantee growth, faster recovery from wounds and illnesses, improved muscle tone, and overall metabolic efficiency.

Weight Loss

Tuna fish is low in calories and fat, yet loaded with beneficial nutrients like protein. The omega-3 fatty acids found in this fish stimulate a hormone called leptin, which balances the body’s food intake with the internal desire to eat more. This can reduce overeating and make sure that the body is only consuming what it actually needs.

Boosted Immune System

Tuna contains a good amount of vitamin Czinc, and manganese, all of which are considered antioxidant in nature. Antioxidants are one of the body’s defense mechanisms against free radicals, the harmful by-products of cellular metabolism that cause chronic diseases. However, the real component of tuna’s immune system-boosting potential is selenium. This fish is rich in this mineral, giving nearly 200% of the daily requirement in a single serving. This makes the fish a very powerful antioxidant and immune-boosting food.

Energy Levels

The B complex vitamins in tuna have been connected with a wide range of health aspects. They are mainly involved in boosting the metabolism, increasing the efficiency of organs, protecting the skin, and increasing energy levels. By consuming this fish regularly, you can ensure that you are active, energetic, and healthy.

Blood Circulation

Tuna is a rich source of iron, along with the B-complex vitamins that play an important role in red blood cell formation. Without iron, people become anemic and their blood is unable to oxygenate the vital organs that need fresh oxygen to function efficiently.

Anti-Cancer Properties

Tuna fish has antioxidant properties, thanks to selenium and other nutrients, making it effective at preventing some types of cancer. In the American Association for Cancer Research, a study titled “A 22-year Prospective Study of Fish, n-3 Fatty Acid Intake, and Colorectal Cancer Risk in Men” suggested that fish consumption, especially the fatty fish variety, may decrease the risk for colorectal cancer.

Kidney Diseases

The potassium and sodium content in tuna is well-balanced, which helps manage the fluid balance in the body. When your body maintains a fluid balance, the kidneys function properly, thereby lowering the chances of developing serious kidney conditions.

Reduced Inflammation

Tuna fish can keep the body’s overall stress levels down by reducing inflammation, thanks to the anti-inflammatory vitamins and minerals. A reduction in inflammation across the body ensures an enhanced functioning of all organs. It also helps prevent inflammatory diseases like arthritis and gout.

Cell Membrane Damage

When tuna fish is cooked, the proteins in it begin to break down into fragments, called peptides. These fragments can actually be powerful antioxidants that specifically target cell membranes, keeping them healthy, strong, and functioning properly. Free radicals often attack membranes throughout the body, including those in the brain, so eating cooked tuna and improving membrane protection is a very good idea!

Depression

Intake of tuna fish is good for relieving depression. Findings of a research study suggest that fish consumption may be beneficial for mental health. 

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