These things pose the same health risk in time of decreasing your life expectancy by the same amount
– One X-ray (in a good hospital)
– Smoking 1.4 cigarettes
– Living 2 months with a smoker
– Eating 100 barbecued steaks
– Eating 40 tablespoons of peanut butter
– Traveling 1000 miles by air
– Traveling 150 miles by car
– Living 150 years beside a nuclear power plant
– Working 3 hours in a coal mine
– Rock climbing for 1.5 minutes