Some experts suspect that no matter how well the companies say they do, shortcomings will be widespread.
No one knows how many people ignore the warnings, but experts suspect the elderly are among the most likely to do so.
Global warming, some experts suspect, may be adding to the strain.
Experts suspected the practice to be more rampant in impoverished homes.
Many experts suspect that the increase may be partly the result of growing exposure to new chemicals in the environment.
But many experts suspect that the government's outlook is born more of political pragmatism than economic analysis.
The direct costs of insomnia, according to a 1995 estimate, approach $14 billion a year, though some experts suspect this figure is high.
No data exist on this point, but some experts suspect this is so.
Some experts suspect that drugs used to resuscitate can have delayed effects.
Upon diagnosis of cancer, experts suspect that many people already have micrometastases throughout their body.