Furious Republicans suggested that corruption was a factor after the probe failed to identity how the substance ended up inside the White House.
Experts say it’s “so prevalent”.
More details from Harry's autobiography Spare emerge as it nears release.
These are the substances driving county lines operations and how much Britain’s most popular drugs cost.
Experts worry it's becoming normalised, following 13 deaths linked to the 'deadly combination' last year.
In their largest burning of confiscated drugs to date, Panama's security forces burned 24 tonnes of cocaine and two tonnes of marijuana, in a remote area. The destroyed drugs were confiscated only in the last four months.
Roughly one in 11 adults aged 16 to 59 had taken an illicit substance in the last year.
This man was treated in intensive care for inflammatory leucoencephalopathy – a disease of the brain's white matter.
“If you’ve got nothing to hide, you won’t mind answering questions,” says Mark Harper as Johnson avoids scrutiny.
People of all sexual orientations are mixing substances and sex.