Methadone's limitations prompted experts to look for medications that were less likely to place recovering addicts in a stranglehold.

The study prompted experts to conclude that moderate but regular physical activity might be "the first controllable risk factor" for breast cancer.

Those problems have prompted experts to question the Iranian missile threat to the United States.

It is in part this mushrooming of on-line retailers that has prompted experts to predict strong Internet sales growth, though the forecasts vary wildly.

This has prompted experts to compare these leaps to the volatility of the market in 2008.

The investigation, coupled with several other recent incidents, prompted some Federal investigators and experts in germ warfare to call for renewed vigilance in the fight to deter biological terror.

The new figures support a similar survey which last week showed that four in 10 obese people think they are actually healthy, prompting experts to call for better education about weight problems.

That has prompted experts to call for an expanded national effort to stem the epidemic.

The security breach prompted private experts to criticize the Department of Energy's safeguarding of nuclear materials.

Even so, the cases sent a chill through the transplant world and prompted experts to recommend new procedures to try to protect patients, Dr. Teperman said.