The Health Research Board lists a range of indicators that point to a worsening problem.

€150,000 woth of drugs were seized in Cork on Monday.

It comes amid a perceived rise in crime in the capital.

Gardaí arrested a teenager who was in possession of €600 worth of cannabis at a Dublin property on Thursday, before discovering ketamine worth €120,000 in a follow-up search

Gardaí in Mayo have arrested two men following the discovery of a suspected growhouse at a location in the Killala area of Co Mayo on Friday evening

It is part of Revenue's ongoing investigations targeting organised crime groups and the importation, sale and supply of illegal drugs