The level of cholesterol (fat in the blood) in the body is greatly influenced by diet. The National Health Service in the UK states that cholesterol can be reduced by eating a healthy diet and exercising more. They also recommend that individuals with high cholesterol should consume fatty fish such as tuna, mackerel, sardines, and salmon.
The American Heart Association (AHA) also suggests that families should consume fish at least 2 times per week, prioritizing fish that are rich in omega-3 fatty acids such as salmon, tuna, or mackerel. Fish is a lean source of protein that contains low levels of saturated fats. The omega-3 content in fatty fish helps prevent heart disease and stroke, reducing the risk of irregular heartbeats.
Tuna
Tuna is rich in omega-3 fatty acids, protein, vitamin B12, vitamin D, and selenium. Apart from the benefits of preventing heart disease and reducing fat levels, tuna also helps improve blood circulation, lower high blood pressure, and reduce the risk of clogged blood vessels. Additionally, tuna is rich in omega-3 fatty acids EPA and DHA, which have been shown to improve cognition in individuals with mild Alzheimer’s disease.
Tuna is listed as one of the top 10 superfoods rich in omega-3 by the American Diabetes Association. The anti-inflammatory compounds in tuna help reduce joint pain and stiffness in individuals with low-grade inflammation. Moreover, the fish oil in tuna contains a high amount of vitamin B12, which also helps prevent cancer.
Mackerel
Mackerel is an excellent source of omega-3 fatty acids, vitamin D, vitamin B12, and various minerals such as calcium, potassium, and selenium. Omega-3 in mackerel has been proven to improve cardiovascular health, reduce inflammation, and increase good cholesterol levels. Research has shown that omega-3 fatty acids EPA and DHA in mackerel enhance brain health and reduce the risk of memory loss.
The iron content in mackerel helps the body produce hemoglobin, the molecule in red blood cells responsible for transporting oxygen throughout the body. Without enough iron, the body cannot produce sufficient hemoglobin, leading to anemia. Moreover, mackerel provides a high amount of vitamin D, which helps reduce the risk of cancer and heart disease, and promotes strong bones.
Mackerel is also considered one of the fish with the lowest mercury content, making it a safe and clean source of food.
Salmon
Salmon is considered a “superstar” among heart-healthy foods due to its abundant omega-3 content, which reduces the risk of high blood pressure, arterial plaque, and neutral fat. Omega-3 fatty acids in salmon help reduce inflammation, prevent blood clotting, and improve heart failure.
In addition, salmon is a good source of vitamins A, B, D, calcium, and other minerals such as magnesium, potassium, and selenium. Vitamin B in salmon helps protect heart and brain health, and maintains optimal nervous system function.
The high potassium content in salmon helps control blood pressure and reduce the risk of stroke. The antioxidant compound Astaxanthin is also found in this fish, which helps prevent skin damage and reduce the appearance of wrinkles, improving skin elasticity.
According to 10 studies, consuming at least 1 serving of salmon per week is associated with a reduced risk of depression and improved mood. Although salmon is beneficial to health, many experts recommend consuming it no more than 4 times per week.
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