Fish like tuna is really helpful by nutritionists all over the world for its dietary worth, excessive quantities of fine fats (particularly omega-3s) and protein. Nevertheless, the rising air pollution of the oceans with heavy metals similar to mercury and lead has made this consumption harmful, as some animals can accumulate these substances and go them on to us after we ingest them.
This is only one instance of chemical substances that we are able to eat not directly which can be very dangerous to the physique. Listed below are 5 substances which can be thought of dangerous, however nonetheless find yourself on our plate.
1. Phosphates, nitrites and nitrates
Nitrites and nitrates by themselves aren’t that dangerous. These are naturally occurring chemical compounds containing nitrogen and oxygen and are present in water, soil, and greens similar to beets and spinach.
The issue is that when interacting with some compounds, similar to amino acids (present in proteins), they will type substances which can be dangerous to well being, similar to carcinogenic nitrosamines. Each nitrites and nitrates are utilized by the meals trade in processed meals to forestall bacterial development and prolong the shelf lifetime of meat merchandise similar to ham, salami, sausage, sausage and different merchandise. burger.
Though regulators all over the world place limits on the addition of those compounds – in Brazil, for instance, it’s 150 mg per kilogram of meals – the overconsumption of processed meat is a priority.
Within the case of phosphates, the issue in filtering this extra via the kidneys may result in bone and cardiovascular harm. And it is not laborious to hit the restrict: A research by researchers within the Netherlands and the US suggests that almost all wholesome adults, particularly low-income individuals who eat cheaper, processed meals, eat twice the really helpful quantity of such a meals. substance.
Consumption of fish similar to salmon and tuna is really helpful attributable to their excessive dietary worth, that are an essential supply of omega-3 fatty acids, that are essential for cardiovascular well being.
However these animals may have excessive concentrations of methylmercury, an environmental pollutant that’s fairly poisonous to the physique. Information from a survey carried out by the UFMS (Federal College of Mato Grosso do Sul), for instance, confirmed that extreme consumption of fish with this substance causes a deficit in neurocognitive operate, affecting consideration and reminiscence.
What to do then? Ideally, do not make these proteins the mainstay of your weight loss plan, avoiding their day by day consumption, particularly canned variations. Canned tuna, for instance, shouldn’t be eaten greater than 4 occasions per week.
If the fish is contemporary, it’s best to alternate it with different proteins and not more than thrice per week.
3. Polytetrafluoroethylene (Teflon)
You most likely do not know this expletive above, however you do know its commerce title: Teflon, a registered trademark of the DuPont firm that patented the compound in 1941.
Polytetrafluoroethylene (PTFE) is a sort of plastic just like polyethylene that’s extensively utilized in cookware and family utensils attributable to its non-stick properties.
However as pots and pans age, the fabric flakes off and may contaminate meals, inflicting issues like kidney and testicular most cancers, excessive ldl cholesterol, and even preeclampsia in pregnant ladies.
Luckily, non-stick cookware at this time makes use of safer know-how. Nevertheless, they need to even be disposed of after they present indicators of heavy use similar to scratches and peeling materials.
Lastly, it’s also really helpful to at all times go for ceramic pots or one other materials similar to glass each time doable.
4. Bisphenol A (BPA)
Bisphenol A, additionally referred to as BPA, is a compound used within the manufacture of sure forms of plastics, in addition to in epoxy resin used within the meals trade to coat the within of meals cans and stop rust and exterior contamination.
The issue is that the substance current within the jars can go into meals, particularly the fattest, with easy temperature adjustments or harm to the packaging. And numerous research have linked BPA to well being issues like infertility, hormonal adjustments, coronary heart issues, and even an elevated threat of most cancers.
Due to this fact, it’s endorsed to keep away from utilizing packaging that doesn’t state that it doesn’t include BPA. A few of them are already made with its substitute, bisphenol S, which, nonetheless, additionally seems to be unhealthy, in line with a research revealed within the journal Vitamins.
What to do then? Properly, the most secure choice is to spend money on glass or steel packaging and keep away from any meals packaged in non-BPA free packaging. And, if you are going to use a questionable plastic pot, let or not it’s for storing dry or leafy meals.
Additionally, do not drink liquids or eat issues which have been packaged in plastic pots and uncovered to temperature adjustments, just like the lunch field we take with us to work or a water bottle omitted within the solar.
Coumarin is a substance current in cinnamon referred to as cassia, also referred to as “false cinnamon”, however quite common and available.
Excessive doses of coumarin trigger gastrointestinal misery and allergic reactions, in line with a overview revealed within the Medical Diet Journal.
Coumarin has additionally been linked to liver harm, most cancers, and bleeding attributable to its anticoagulant properties.
For the reason that researchers have been unable to specify the precise quantity of coumarin that might be harmful to well being, specialists advocate avoiding it and at all times in search of “actual” cinnamon, that’s, shopping for high quality merchandise from chain supermarkets and shops with a great fame.
Sources: Angelica GreccoDiet Coordinator at Santa Helena Hospital and Nutritionist at Instituto EndoVitta; Daniela Santosresident nutritionist in pediatrics on the Hospital das Clínicas UFPE (Federal College of Pernambuco), affiliated with the Ebserh community; Regina Coeli da Silva Vieiraadjunct professor of vitamin at UFAM (Federal College of Amazonas).
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