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Table 3 Loss of life expectancy due to smoking, high body mass index and the long term effects of high acute radiation exposure.

From: Are passive smoking, air pollution and obesity a greater mortality risk than major radiation incidents?

Risk scenario Average Years of Life Lost (YOLL) Notes
Male doctor who is a lifetime smoker compared to non-smoker.
10 Ref. [6]. Average smoking habit: 18 a day from age 18.
White male aged 35 who is obese (BMI = 30.0–39.9) or severely obese (BMI >40): risk relative to BMI = 24.
1–4 a
Severely obese:
Ref. [26]. There is controversy over the BMI-mortality relationship (see text). However, increased mortality at BMI > 30 has been observed in a number of studies, though there is uncertainty in excess mortality rate and hence YOLL.
Atomic bomb survivor who was in the most exposed group: within 1500 metres of the hypocentre. Shielded whole body kerma > 1 Gy, mean 2.25 Gy.
Ref. [19]. Only represents YOLL of bomb survivors. Few people close to the hypocentre survived the combination of blast effects, burns and ARS.
  1. a. Ranges are for different BMI or dose rates and are not uncertainty estimates.