Stress from life events might slow down how quickly young adults who work out regularly can regain muscle strength after a tough workout — and it could be a pretty big factor, even if they're fit.

If you're a young adult lifting heavy weights, being under more long-term stress might slow down how quickly your muscles bounce back in the hour after your workout — even if you're fit and used to training hard.

If you're a young adult lifting heavy weights, being under a lot of long-term stress might slow down how fast your muscles bounce back—even if you're fit or experienced.

If you're a young adult who lifts weights, being more stressed out might slow down how quickly your leg strength bounces back after a tough workout—even if you're fit and experienced.

If young adults feel more stressed, their muscles might not recover as quickly after a tough workout — and this isn't just because of how fit they are or how hard they worked out.

Stress doesn't seem to change how quickly young adults feel less tired or sore right after a hard workout.