article_snippet: the move covers the powerful ‘skunk’ strain of cannabis and hard drugs such as crack cocaine and heroin, as well as ‘soft’ drugs including marijuana and amphetamines.
article_snippet: There is overwhelming evidence of a link between skunk and mental health problems like psychosis and schizophrenia.
article_snippet: Mr Clegg’s intervention comes weeks after a major academic study found that use of powerful skunk cannabis trebled the risk of having a psychotic episode.
article_snippet: But just throwing people into the criminal justice system isn’t working – skunk use is going up.
highlights_snippet: Move covers powerful 'skunk' strain of cannabis, crack cocaine and heroin .
  