Smoking cannabis every day 'warps your brain and shrinks grey matter', scientists warn

el-balad.com Smoking cannabis every day warps key structures of the brain, a scientific study suggests. Regular use of the drug seems to shrink the brain’s ‘grey matter’ - the cells that crunch information - according to head scans of heavy drug users. The wiring of the brain – the ‘white matter’ that connects different parts - grows to compensate for the loss of the vital cells, scientists found. But eventually that also breaks down, impairing a drug users’ ability to use and react to information. The brain scan study is one of the first to investigate the drug’s long-term neurological impact in living people. The findings add to a growing weight of evidence that suggests cannabis is more harmful than legalisation campaigners would have us believe. to read more: el-balad.com