Skip to main content
hpa logo
Topics A-Z:
Search the site:
Home Topics Radiation Understanding Radiation

Understanding Radiation

From 1 April 2013 the Health Protection Agency is part of Public Health England (PHE) [external link].

This page provides introductory information about many varieties of radiation, with different levels of detail: 

  • At a Glance: engaging online presentations (requires Adobe Flash player)
  • Frequently Asked Questions: information presented in question and answer format
  • Information sheets: Introductions to topics, about 1-5 pages long, with some illustrations and references
  • Understanding radiation - topics: detailed outlines of topics, with links to publications and statements