Training in and implementation of patient safety protocols is an important component of any dental school education.

CNN: Don't be afraid of dentists

Social work has been known as the helping profession for over a century and during that time has been an essential component of the social safety net, guiding people to critical resources, counseling them on important life decisions, and helping them reach their full potential.

WHITEHOUSE: The White House

One major development in this international co-operation on press freedom is the UN Plan of Action on the Safety of Journalists and the Issue of Impunity , which was endorsed last year by the chief executives of all component UN bodies.

UNESCO: World Press Freedom Day 2013