Fish is considered to be a very useful product containing easily digestible protein and omega-3 fatty acids. However, some types of fish are capable of accumulating heavy metals, and the liver takes the first hit.
According to a study published in eatthis.com, large age tuna can contain heavy metal salts. With the constant use of the meat of such tuna, intoxication occurs.
– How to understand that you have been poisoned? There may be itching or tingling of the fingertips, muscle weakness. Possible impaired coordination, speech and hearing, decreased vision, Andrea Pola, MD, says.
The liver is especially affected by intoxication, since the ability of enzymes to excrete accumulated metabolites is impaired, oxidative stress is formed.
The digestive tract is the first to react to acute poisoning (pain, nausea, vomiting) . As heavy metals are absorbed into the blood, reactions from the heart and blood vessels (pressure surges, shortness of breath), kidneys and liver are connected.
Oxidative stress is a set of processes of cell damage as a result of the oxidation of its components. Oxidation is a consequence of reactions between reactive oxygen species and polyunsaturated fatty acids of the cell membrane. The resulting free radicals attack neighboring molecules and damage them.
– It must be admitted that due to oil slicks and other human waste products, sea water contains mercury, salts of heavy metals, and lead. All this accumulates in seafood. If eaten, they may cause nausea, stomach pain, and headaches. The ecology is such that fish contains an increased amount of lead, and this is a blow to the liver and the body as a whole, – the study notes.
According to American researchers, heavy metal salts accumulate long-lived predatory species that are at the top of the food chain fish: marlin, tuna, shark, swordfish, king mackerel, tilefish, pike, perch, catfish, mackerel.
Also on the list are king mackerel, marlin, Atlantic bighead, shark, swordfish, bigeye tuna , as well as fish from the malacant family.
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Important! This information is provided for reference only. Ask a specialist about contraindications and side effects and under no circumstances self-medicate. At the first sign of illness, consult a doctor.