Regular consumption of fish significantly influences the body’s physiology, especially impacting the brain, sleep cycles, and eyes. The bioactive compounds in fish, including marine-based omega-3 fatty acids, certain antioxidants, and bioavailable vitamins, provide tangible benefits that go beyond mere nutrition.
Ideally, you should eat fish at least twice a week to help improve heart health; however, the nutrient profile goes even further to improve your overall health. Here are three reasons why you may want to load up on fish.
Boosting Brain Health and Delaying Cognitive Decline
Weekly consumption of fish, whether baked or broiled, has been shown to result in significant structural changes in the brain. According to various MRI studies, individuals who consume fish at least once a week tend to have more gray matter in regions associated with memory and thought processing, such as the hippocampus.
Gray matter is the tissue that contains nerve cells and assists in information processing. In older adults, gray matter gradually decreases. Maintaining an optimal gray matter volume helps minimize cognitive impairment and brain disorders associated with aging. That’s why increasing your intake of fish can help.
The problem is that even though adults tend to be more susceptible to cognitive decline than younger individuals, they usually avoid consuming whole fish due to the risk of choking on pin bones. These bones can cause injuries, including esophageal lacerations, especially in older adults with compromised dental function or similar problems.
To eliminate this physical hazard, the commercial seafood industry has heavily automated its safety protocols. Before fish is packaged and shipped to grocery stores, processors rely on industrial inspection equipment that analyzes product density. Specifically, automated fish bone X-ray inspection systems are integrated directly into production lines. This level of rigorous, automated screening ensures that the packaged fillets sold to consumers are safe, allowing older adults to consume fish for brain health without the risk of internal injury.
Regulating Sleep Architecture
The quality of your sleep is dependent on specific nutritional factors, and the biochemistry of fish provides you with most things needed to have a restful sleep. Regular consumption may also help improve your circadian rhythm, as confirmed by a study conducted at the University of Pennsylvania.
The physiological connection in this case is based on the correlation between Vitamin D and the marine omega-3 fatty acids EPA and DHA. Fish is among the finest sources of vitamin D, and together with omega-3s, it triggers the release of feel-good hormones, including serotonin. This hormone not only improves mood but also serves as the chemical precursor to melatonin, which is essential for deep sleep.
Lowering Risk of Macular Degeneration
Age-related macular degeneration develops from the gradual deterioration of the macula, the central part of the retina responsible for sharp vision. However, retinal cells can undergo oxidation and become inflamed due to light and oxygen exposure. However, it can be improved by increasing your omega-3 intake.
Research indicates that regular fish intake lowers the risk of complications associated with AMD in both its early and advanced stages. That’s mainly due to its omega-3 content, which reduces systemic markers of inflammation and maintains cell membrane function.
Endnote
Eating fish as part of your normal diet can help boost your cognitive health, improve sleep quality, and protect you against eye-related problems. With new technology available to ensure the quality of packaged fish products, it’s now easier to include fish in your routine.
As with anything you read on the internet, this article should not be construed as medical advice; please talk to your doctor or primary care provider before changing your wellness routine. WHN neither agrees nor disagrees with any of the materials posted. This article is not intended to provide a medical diagnosis, recommendation, treatment, or endorsement.
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