11.  Although it is intended only for women at high risk of breast cancer, it would nonetheless be the first drug that could prevent cancer in healthy people.

12.  Although the disease may cause only a mild illness in healthy people, it can be severe and even fatal in older people.

13.  An examination of similarly healthy people with no family history of heart disease turned up warning signs in about a third.

14.  An exodus of healthy people to MSAs would drain money from the traditional insurance pool, raising the cost of coverage, critics say.

15.  And many experts advocated early treatment for healthy infected people to prevent damage to the immune system.

16.  And the accounts would attract healthy people because they would not expect to spend much money out of pocket for health care.

17.  And still others said that even if beta carotene did not help smokers, it would help healthy people.

18.  And only in America are there so many healthy young people ready to donate.

19.  At best, breathing oxygen at sea level by healthy people will have a greater psychological effect than any known physiologic effect.

20.  Body scans for healthy people were once the exclusive province of the rich, part of the gold-plated annual physical for executives.