We hear a lot about risks of transport. Hardly a week passes without a dramatic story about a plane or train crash, and many people change their travel arrangements based on stories read in the media. Why is this, and what are the true figures?
Reliable drug use figures are very difficult to find, and it is more difficult still to estimate accurately the associated risks. Some indication can be provided by drug use surveys combined with mortality figures, but there are many limitations to such data.