But drug advertising continues to grow because it lifts sales.

In addition, the Amendment required drug advertising to disclose accurate information about side effects and efficacy of treatments.

In the last year, the drug advertising has been criticized by doctors, federal legislators and consumer groups.

The study did not discuss the accuracy of drug advertising.

He demonstrates this view by offering an example from drug advertising.

And while the United States permits drug advertising to consumers, most of Europe does not.

The ethics of drug advertising and manipulation of patient advocacy groups are questioned.

"Right now there is about $80 million spent on ethical drug advertising, but that will grow," he said.

The association's House of Delegates had considered half a dozen proposals to limit drug advertising.

There has been little drug advertising in Scientific American because only 15 percent of readers are physicians.