Psychology & Psychiatry

Pets bring people big mental health boost: Poll

The vast majority (84%) of Americans with pets say their animal companion brings a positive mental health impact to their lives, a new poll shows.

Health

Canada unveils framework for universal drug plan

Canada on Thursday unveiled a framework for a universal drug plan that, once fully implemented, would mark the biggest expansion of its publicly funded health care system in decades.

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Pollution

Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the elements of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. The Blacksmith Institute issues an annual list of the world's worst polluted places. In the 2007 issues the ten top nominees are located in Azerbaijan, China, India, Peru, Russia, Ukraine and Zambia.

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