They said alternatives, including the use of plants that absorb contaminants, should be explored more fully.
Another big announcement was about early diagnosis, including the use of brain scans.
The Pentagon has supported research into high-tech lie detection, including the use of fMRI.
Both had notable caveats, including the use of the words "probable" and "unlikely".
Portugal has also expanded its treatment programmes, including the use of prescribed methadone.
This treatment may take many forms, including the use of pharmacologic agents.
The dancers had to make adjustments too, including the use of direct eye contact.
Despite medical heroics, including the use of a hyperbaric oxygen chamber, he died 39 hours later.
He told troops to do what was necessary, including the use of guns.
The community councils have authority over cultural matters, including the use of language and education.
It outlined other ways to comply, including the use of credit monitoring services.
