heavy metals


Heavy metal exposure (the toxins, not the music!) can have detrimental effects on our health. Mercury can affect brain development, cadmium and lead appear to lower male fertility, copper may be a risk factor for Alzheimer’s, and all may be associated with a higher risk of cancer.

The heavy metals present in our food supply often exceed safe limits (see also here). Some metals are hard to avoid due to their presence in cigarettes, meats (see also herehere and here), seafoodsupplements (see also hereherehere and here) and even whole grains and vegetables. Research indicates that the bioavailability of heavy metals may be lower in plant-derived foods than in animal-derived foods, despite the fact that plant foods sometimes contain higher amounts. This is likely the reason why vegetarians had lower levels of cadmium, lead and mercury even though their heavy metal intake was higher than meat-eaters (and switching to a plant-based diet lowers levels within months).

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