Yes, rice tends to accumulate more heavy metals than other grains. This is typically caused by human activities, including mining, fertilizers, pesticides, and sewage sludge. Such heavy metals include cadmium and arsenic, with long-term intake causing potential health risks. However, some parts of the world institute strict regulations to ensure heavy metal contamination is kept to levels which are safe for human consumption. For example, the European Commission limits levels of arsenic to 200 parts per billion (ppb) for adults and 100 ppb for infants. If you still have concerns, or live in an area where these regulations are not imposed, heavy metal contamination can be reduced by thoroughly washing the rice before cooking it.
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