The fatigue and change in bowel habits associated with radiation likely contribute to loss of libido and decreased sexual activity reported for both men and women.

It is estimated (e.g. by the NTSB) that fatigue contributes to 20-30% of transport accidents (i.e. air, sea, road, rail).

But Mr. Knipling suspects that fatigue contributes to many more accidents by slowing drivers' reaction times and making drivers less alert.

Friends and associates said fatigue, a need for change, tough times in the business and a dispute with one of her singers might all have contributed to the decision.

Rafa Nadal says fatigue and lack of energy contributed to World Tour Finals exit as long season takes toll.

For some, the fatigue inevitably has contributed to cynicism.

Investigators are studying whether fatigue on the part of the truck driver contributed to the accident, in which the driver was killed and 23 other people were injured.

It is likely that fatigue contributed to the mate's failure to catch the error in the ship's heading.

Mr. Brewer said poor decision-making, risk-taking, poor vision, fatigue and other factors contributed to the accidents.

The victory was her fourth three set match of the tournament, and fatigue contributed to her 6-1, 6-2 loss to Maria Sharapova in the final.