https://www.bbc.com/future/article/20200127-how-a-vegan-diet-could-affect-your-intelligence
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There’s also the concern that the health risks associated with these kinds of nutrient deficiencies might not show up immediately. It could take years to associate foggy thoughts and tiredness with low B12 levels, infertility with low iron, and osteoporosis brought on by calcium deficiency does not show up until late 40s and 50s in most people, says Rossi.
“People will think about their health now and not their future health,” she says. “With the link between omega 3 and depression, there might be a slight risk but some people can handle less and some people need more. Some people feel great and other people require higher concentrations.”
So, while you might reach for that plant-based burger with the best of intentions, remember exactly what it is – fast food – and be prepared for the fact that it might even be worse for you than its meaty cousin."
"...
There’s also the concern that the health risks associated with these kinds of nutrient deficiencies might not show up immediately. It could take years to associate foggy thoughts and tiredness with low B12 levels, infertility with low iron, and osteoporosis brought on by calcium deficiency does not show up until late 40s and 50s in most people, says Rossi.
“People will think about their health now and not their future health,” she says. “With the link between omega 3 and depression, there might be a slight risk but some people can handle less and some people need more. Some people feel great and other people require higher concentrations.”
So, while you might reach for that plant-based burger with the best of intentions, remember exactly what it is – fast food – and be prepared for the fact that it might even be worse for you than its meaty cousin."