Is cadmium in chocolate a health concern?
Limit exposure. Cadmium is a cumulative toxin. Choose tested products and vary your diet.
What's actually in it
Cadmium is a heavy metal that accumulates in the kidneys over a lifetime of exposure. Unlike some toxins that the body clears quickly, cadmium stays. Decades of low-dose exposure can cause kidney damage.
Food is the main non-occupational source of cadmium for most people. Some foods naturally absorb more from soil: leafy greens, grains, potatoes, and shellfish can carry higher levels.
What the research says
A 2026 study in chemosphere found that epub Environmental tobacco smoke is a major contributor to lead, cadmium, and arsenic Lopez-Galvez N(1), Mahabee-Gittens EM(2), Quintana PJE(3), Merianos AL(4),.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Environmental tobacco smoke is a major contributor to lead, cadmium, and arsenic in settled house dust. | Chemosphere | 2026 |
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