21.   Some argue a society is judged by how it treats people with mental impairments.

22.   Technically, that person would not fit under the guidelines for mental impairment, he said.

23.   The main question the Seattle researchers want to find out is if climbers suffer longer-term mental impairment as a consequence of this adaptation.

24.   The heart-lung machine is known to injure some blood components and cause inflammation in patients, which may cause temporary or long-term mental impairment.

25.   The police had dealt with missing person cases, but not one in which a couple with so many mental impairments had traveled so far from home.

26.   They have denied any recurrence of the heart problems that incapacitated Yeltsin before the surgery, and have said he suffered no mental impairment during or after the operation.

27.   Yeltsin showed no signs of mental impairment, but a study of the videotape indicated signs of rapid breathing and he appeared exhausted.

28.   But it also found that older women who took drugs called statins had less mental impairment than non-users.

29.   In its milder forms, it ripples across entire societies, with lesser degrees of mental impairment.

30.   The court expressed a willingness to clarify when a jury should consider the possible mental impairment of a defendant.