Physics Bucharest 2017

Epidemiology of Cancer Risks

10000

1000

Data from Hiroshima Nagasaki and 131-I Thyroid studies

100

natural cancer mortality

?

RT Fraction

10

additional cancer deaths due to radiation

Chest X-ray

CT scan

Cancer deaths /year/1M people

1

0,1

1

10

100

1000

10000

Annual Background

Dose (mGy)

LIFE SPAN STUDY Only ~5% of 7800 deaths from cancer or leukaemia due to radiation