Radiation Exposure

Radiation exposure occurs from natural background, medical imaging, occupational sources, and rare accidents. Effects depend on type, dose, and duration of exposure.

Table of Contents

Sources

  • Natural background
  • Medical (CT, X-ray, radiation therapy)
  • Occupational
  • Nuclear accidents (rare)

Effects

  • Low-dose: small increase in cancer risk over decades
  • Moderate-dose: acute and chronic effects
  • High-dose (rare): acute radiation syndrome with marrow, GI, and neurologic effects
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • CDC. Radiation Emergency Resources.