As a model, Helen Lee found that hours under strong lights and frequent changes of climate were affecting her skin.

"I am pleased to learn that eighteen hours of unnecessary confinement has not adversely affected your social skills."

Too many hours in the saddle may affect the fertility of serious cyclists, a conference heard today.

Only through legislative action a few years ago were the work schedules lightened because of evidence that the wearying hours could affect a young doctor's judgment.

And we don't expect these cuts and hours to affect attendance greatly.

And it is true that the work and the hours and the almost constant shelling had affected me too.

Long hours and hard, stressful work do not adversely affect the outcome of a pregnancy, a study has found.

"Several hours outside will affect the vision- Why are you still here?"

A few hours should not have affected him.