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Crops like canola and corn have been genetically engineered to be more resistant to pests and herbicides. 90% of canola crops in Canada and the US are genetically engineered. [16] [17]Genetically engineering plants allowed farmers to douse their canola crops in pesticides to kill
weeds without harming the crop. Studies have linked high levels of glyphosate exposure to a heightened risk of hormone disruption, changes in the gut microbiome, and other health problems. [18]While advocates preach about GMO safety, critics raise questions and concerns about their impact on public health, the environment, property rights, food safety, and crop contamination. Refining and ProcessingThe manufacturing process of canola oil
involves exposure to chemicals, high heat, bleaching, and deodorizing.
Some doctors suggest supplementation. [16]Omega-3 fatty acids play a crucial role in fetal growth and development, particularly for the brain and eyes. [17]Keep in mind that some fish are higher in mercury, which has been associated with brain development problems in babies. A good way to remember which fish are safest is to use the word SMASH: salmon, mackerel, anchovies, sardines, and herring. These are some of the fish lowest in mercury and highest in healthy fats. Read our detailed article for more info on the problems with mercury in fish.