Never mind all th elong lists of equipment, STATISTICALLY wearing a helmet would dramatically improve your safety. Obviously, the likelihood of it being needed is too small for everyone, so they don't wear helmets in cars. Fair enough.
My point is, do people have an accurate estimate of the likelihood of the same things happening on a bike? Don't give me situations, explanations as to WHY it is dangerous - what do the STATISTICS say? In the US I read that there were 600 fatalaties on bikes in I think it was 2007. That's one per 500,000 of population. In 2010 ther were 32,000 traffic fatalities. That's one per 9,300. That's a factual starting point. Are there as many bikers? No, of course not.
People used to do (and maybe still do) take out insurance to cover them on flights, even though the risk was incredibly small compared to their drive to the airport. Waaaay overestimated the risks.
I just am interested in the FACTS as to how risky it is.
Apparently swimming is more dangerous than cycling, so maybe there should be a law making it mandatory that all kids wear a lifejacket while swimming. It seems to me that the logic used for bike helmets would apply here.
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Bernard Cohen, now a retired professor of physics from Carnegie Mellon University, created two tables to illustrate the relative risk of various activities. For the first list, he used the best known risk estimates, along with the linear hypothesis, to estimate how much of various activities it would take to increase your risk of premature death by 1 part in a million. Here is his list. Everything on this first list has the same risk. So if you are worried about dying from an airplane crash (for a 1000 miles trip), then you can reduce your risk of premature death by travelling 10 miles less by bicycle. Put another way: if you don't worry about going 10 miles on a bicycle, then you shoudn't worry about anything else on the list either. The list also shows that if you are worried about radiation, it is much safer to live near a nuclear power plant than to live far from such a plant but be in Denver Colorado. (Denver has high radiation because of the presence of large amounts of granite and other similar rock, which has high uranium content.)
Activities that increase chance of premature death
by 1 in a million
smoke 1.4 cigarettes (not per day -- total!)
spend 2 days NYC (from air pollution, 1976)
spend 3 hours in a coal mine (accident)
travel 10 miles by bicycle (accident)
travel 300 miles car (accident)
travel 1000 miles by jet airplane (accident)
travel 6000 miles by jet airplane (cancer from cosmic rays)
Live 2 months in Denver (cancer from high average radiation)
live 2 months in stone or brick building (cancer from high average radiation)
take 1 chest x-ray (not counting the benefit of catching a disease)
eat 40 tablespoons Peanut Butter (cancer from aflatoxin)
live 2 months with a smoker
eat 100 charcoal-broiled steaks
drink 1 yr Miami water (chloroform H2O)
30 cans sacharine soda
live 5 years at boundary of US nuclear power plant (cancer from radiation)
live 20 years near PVC plant (cancer from vinyl chloride)
live 150 years at 20 miles from a nuclear power plant
live 5 miles from nuclear plant for 50 years (nuclear accident)