Thorium: biological information

Biological role of thorium: thorium has no biological role.

Levels in humans

Table: the abundances of the elements in humans.
Human abundance by weight no data ppb by weight
Human abundance by atoms no data atoms relative to C = 1000000

How much thorium is in your body? Find out here.

You can use this form to calculate how much thorium your body contains. Enter your weight in either kilograms or pounds and click the "Calculate" button. You must enter a number, not text! Elements for which there are no data will always give a value of zero for the weight, no matter what you put in the weight box.

Calculate how much thorium is in your body
Enter your weight here: You contain about : grams of thorium

Hazards and Risks

Hazards and risks associated with thorium: thorium does not occur to any significant extent in the biosphere and so normally never presents a risk. Thorium is studied in a few nuclear research laboratories and has a few commercial applications but in all cases its high radioactivity makes it subject to special handling techniques and precautions. It seems that small amounts can cause dermatitis while larger amounts result in cancer.

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thorium atomic number