Originally Posted by
tjspiel
It says recreational cyclists don't need to worry about it. What's not very helpful about studies like these is that they don't really say how much is too much.
Well, no, they don't -- but if you understand how scientific research happens, you also understand that simple and comprehensive answers like the one you want are not arrived at by a single study (if, indeed, there are any
simple answers at all). Expecting such answers is unreasonable.