On a regular basis I make jogs (4 5 if it is important). At me a question: it is possible l...

[Alexey]

On a regular basis I make jogs (4 5 if it is important). At me a question: whether it is possible to run with a player? Heard, what is it harmfully as distracts a brain from the control for oragnizmom in extreme conditions and forces down a rhythm. But without a player boringly longly to run. What will tell or say in this occasion?

[Egorov I.V.]

The player causes set of negative influences on nervous system. Besides authentically raises or increases frequency of occurrence of a neuritis of an acoustical nerve...