One criterion for admission to the addiction ward is a severe substance abuse, meaning that the alcohol or drug addiction is the main reason for the president's health problems.
The threat of officers being targeted by a terrorist in Britain was raised to substantial in October, and on Friday was elevated further to severe, meaning an attack on a police officer is highly likely.
It comes after the threat level of terrorist attack for police officers was raised last month to "severe", meaning an attempt to kill a police officer by terrorists is assessed as being highly likely.
In August 2014, the UK terrorist level was raised to its second highest level of "severe", meaning a terrorist attack is highly likely.
In August Theresa May, the Home Secretary, announced the national threat level had increased from "substantial" to "severe", meaning a terrorist attack is "highly likely".
Britain's national terror alert level remains at "severe," meaning a terrorist strike is "highly likely," though no specific threats have been detected.
She added that the threat level in the UK remained at "severe", meaning a terrorist attack is "highly likely" and there was no plan to change it at this stage.
More than 100 flood warnings and alerts are currently in place, two of them severe – meaning a danger to life – in Whitesands, Dumfries and Galloway, and The Tweed in Peebles, on the Scottish Borders.
The UK terror alert level remains at "severe", meaning a terrorist attack is "highly likely".
Britain is on its second-highest alert level of "severe," meaning a militant attack is considered highly likely.
In individuals with weakened or impaired immune systems, this diarrhea can be chronic and severe (meaning a significant loss of water from the body).
