Governments around the world have specific procedures and plans in place to care for people’s living needs. Social policy programs in various locations examine the efficiency and effectiveness of the systems maintaining societal health and wellness.

Hong Kong is one of the two Special Administrative Regions of the People's Republic of China, the other being Macau.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.