11.   Mental stress can markedly decrease blood flow to the heart, increasing the risk of dying threefold for heart disease patients, University of Florida cardiologists report.

12.   Noise pollution also can lead to tension headaches, neck and shoulder pain, mental stress and sleep disorders, Ali added.

13.   One mistake in complicated flight-path calculations means the loss of hundreds of lives, and the mental stress on the controllers is understandably mighty.

14.   Reducing mental stress is more beneficial than exercise, and hopelessness is as harmful as smoking a pack of cigarettes a day.

15.   She can say the mental stress has gotten to be too much.

16.   The education code defines it with an exhaustive list that ranges from whipping and sleep deprivation to dangerous consumption of food and subjecting students to extreme mental stress.

17.   The more researchers study emotional triggers of heart attacks, the more they think mental stresses affect the heart in ways different from physical stresses like sudden exertion.

18.   They then studied the level of ischemia in patients during and after exercise tasks and after mental stress tasks, such as public speaking and mental arithmetic.

19.   Yet heart specialists are taking emotional triggers increasingly seriously because both mental stress and cardiovascular disease are so common.

20.   Rahim said there were counselling bodies at state police headquarters and any policeman facing mental stress was sent to a panel doctor for treatment.