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Can Carbon Dating Be Used on Living Humans?

Published in Science 2 mins read

No, carbon dating cannot be used on living humans.

Why Carbon Dating Doesn't Work on Living Things

Carbon dating relies on the decay of a radioactive isotope of carbon, called carbon-14. This isotope is constantly being replenished in the atmosphere, so living organisms have a relatively constant amount of carbon-14 in their bodies.

When an organism dies, it no longer takes in carbon from the environment, and the carbon-14 within it begins to decay at a predictable rate. Scientists can measure the amount of carbon-14 remaining in a sample and use this information to calculate how long ago the organism died.

Since living humans are still taking in carbon-14, their carbon-14 levels are not useful for determining their age.

Alternatives to Carbon Dating for Human Age Determination

  • Birth Records: The most reliable way to determine a person's age is through official birth records.
  • DNA Analysis: While not directly measuring age, DNA analysis can provide estimates of biological age based on the rate of changes in the genome.
  • Dental Development: Examining the growth and development of teeth can provide a general indication of a person's age.

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