| http://www.w3.org/ns/prov#value | - ???Shoveling snow is a lot of work. ??? It is taxing their bodies and their hearts,??? said Dr. David Marmor, a cardiologist at NorthShore University HealthSystem in Evanston. ???People are really testing their limits, and if they???re already at high risk they are better off paying the kid across the street to do it.???
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