Well, an athlete's vital capacity will be stronger and can withstand more movement and pressure. and a non- athlete's vital capacity will not change it will stay the same which is a little strong and a little week and it probably can't withstand movement and pressure.
The answer is sanitization
overtraining because you exercise to frequently, exercise to intense and for to long if you it you exceed the recommendations of the fitt principle.
Parents who marry before age 18 are twice as likely to divorce as older couples
the last one
and That's it I think!