Radiation and Health #37
December 11, 2009
![](https://assets.locomotivehosting.com/images/dynamic/8b156a5823fd4e6f/radiation-and-health.jpg?job=W1siZmYiLCJwdWJsaWMvc2l0ZXMvNTIzYmEyNTY3ZDBjY2E3YWYzMDBhNjI1L2NvbnRlbnRfZW50cnk1MjNkYWY1NzdkMGNjYTlkZTMwMGRlY2YvNTM0NGFkZjUyYzFjYzRjOTMzMDI1MzIzL2ZpbGVzL3JhZGlhdGlvbi1hbmQtaGVhbHRoLmpwZyJdLFsicCIsInRodW1iIiwiMjEzeDMxMCMiXV0)
Image from Mad House Photography
Dr. Marc MacKenzie, medical physicist, discusses radiation: why a little can be good, why a lot can be bad, and why radiation is more important than you think. And on Speaking Up, we discuss The James Randi Educational Foundation with Bart G. Farkas.
Guests:
- Marc MacKenzie
- Bart Farkas