To prevent this from happening, levodopa can be combined with other substances, like carbidopa.

VOA: special.2009.04.07

But Ritz, who has both undergone and conducted SERE training, says there is a great degree of difference between training and actual interrogations, where harsh techniques may be combined and carried out for longer periods.

VOA: standard.2009.04.17

Health experts predicted the number of people who die from cancer will soon be greater than deaths from AIDS, tuberculosis and malaria combined.

VOA: special.2009.01.13

"More alarmingly,WHO estimates if the combined effect of decreased financial and political commitment were to be sustained or continued, this could result to a return of a half a million measles deaths each year by 2012, wiping out the gains made over the past 18 years."

VOA: standard.2010.05.21