At a European Union level, in the recently published White Paper "Adapting to climate change: Towards a European framework for action" [1], the consequences of climate changes are identified as difficult for food supply, health, industry, ecosystems' integrity and the transport sector.
This disorder for drug design is not a bad choice and should not be identified as difficult work.
These were namely the deletion of two questions that were identified as difficult to understand by the participants or irrelevant.
Social participation and even just leaving the house were identified as difficult for ventilator-dependent persons with CSCI because of a lack of aides other than family caregivers [ 14].
On the contrary, disgust appears to be more difficult to be identified, as well as sadness, and they both were considered as less arousing and less negative.
The topics were chosen because NE is a educational priority area [ 21], while NL is a key topic in the American Academy of Neurology clerkship core curriculum [ 22] and has been identified as a difficult area for learners [ 3].
The comparably large group of patients with long-lasting problems and a chronic course has been identified as being particularly difficult to treat and having poor treatment outcomes [ 4].
In this learning process, the discovery, and possibly also labeling, of non-taxonomic relationships has been identified as one of the most difficult and often neglected problems.
While several patient-related factors have been identified as high-risk features for difficult or impossible mask ventilation (DMV or IMV) after induction of [ 1– 4], whether or not the routine administration of a neuromuscular blocking drug (NMBD) prior to "testing" the operators' ability to ventilate the patient by mask is a help or a hindrance is debatable [ 5].
Aggression, psychosis and wandering have been identified as the BPS that are most difficult to cope with by caregivers [ 61].
