Caregiving: Poll reveals who's providing care and who they're caring for
More than 1 in 4 people age 50 and older helps take care of at least one family member or friend who has a health problem or disability, a new poll finds.
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More than 1 in 4 people age 50 and older helps take care of at least one family member or friend who has a health problem or disability, a new poll finds.
8 hours ago
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4
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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