Unwantedsideeffects on the immune system could still emerge as a problem in Ariad's trials, but early data provide hope that mTOR drugs could attack other cancers as well.
At Bristol University, researchers led by Matt Watson, a professor of geophysics, are trying to determine which particles would have the maximum desired impact with the smallest likelihood of unwantedsideeffects.
Chairman Bernanke did admit they may have disrupted markets and created bubbles, in bond markets for example, but believes they are unwantedsideeffects of his policies aimed at propping up the economy and creating jobs.