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(Natural News) The World Health Organization (WHO) defines physical activity as any movement performed by the muscles of the body that requires expending energy. These activities could either be for fun, for work, or for recreational purposes. While some people use the term physical activity interchangeably with exercise, the latter is considered a subcategory of physical activity and is... |
from NaturalNews.com https://ift.tt/313rjNV
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