1.   Both are constant factors causing people to alter how they live.

2.   Coburn said some people can alter their circadian rhythms, but that it becomes harder with age.

3.   For example, one method by which people deliberately alter the way they speak is believed to have an effect on the left-hemisphere problem.

4.   In many cases, people buying altered videos and compact disks are not aware that they have been changed.

5.   In the workplace, overuse strain has the same origin, as people alter their use patterns enough to take their limbs beyond a previously adequate level of conditioning.

6.   On weekends, many people alter their sleep patterns in an attempt to repay this sleep deficit.

7.   The condition can become chronic, he said, when people alter their posture to relieve the pain of injured tendons and muscles.

8.   The copies, discovered by accident in a Mexico City print shop, appeared to have been produced so people could alter their cards to vote repeatedly.

9.   The study found that many Americans believe that people can alter the number of hours they need to sleep.

10.   Yes, the Behavior Research Institute used electric shock to get young people to alter dangerous behavior, and yes, their son, James, unarguably needed help.