Discuss the after care and support groups, rehabilitation of people who consuming drugs.

The United Kingdom is a unitary state with devolution that is governed within the framework of a parliamentary democracy under a constitutional monarchy in which the Monarch is head of state and the Prime Minister of the United Kingdom is the head of government. The United Kingdom also has one of the oldest and most developed legal systems in the world. The United Kingdom is a member of the European Union, the United Nations, the Commonwealth of Nations, NATO, the Organisation for Economic Co-operation and Development (OECD), the World Trade Organization (WTO), and the G7.