But analysts and doctors also have raised concerns about side effects.
Analysts raised new concerns, however, about the future growth of the cable division.
The report was better than expected, and several analysts raised their earnings estimates for the company.
Although the company said it expected only moderate growth in 1999, some analysts raised their estimates for the coming year.
Analysts raised their earnings estimates after the company said it would buy back up to 10 percent of its common stock.
Some analysts again raised the question of whether the market was about to undergo a major correction.
"Companies reported good quarters in March and the analysts raised their estimates," he said.
A result is that some analysts raise questions about American triumphalism today.
Several analysts raised their ratings and earnings estimates for the group.
Last year, the analysts raised $178,785, down 11 percent from the record, $201,000, set the year before.