The risk isn't zero, and the benefits are usually subtle at best. On the other hand, mountain-climbing also has risks, and is so devoid of benefit that the only excuse mountaineers can come up with is 'because it's there'.
Madness string 82052
There are an infinite number of fractions between 0 and 1. There are also an infinite number of fractions between 0 and 2, which is a greater infinity than the one between 0 and 1.