Volunteers rely on reports from the individual communities to determine needs, then send out those requests on Twitter and Facebook - for instance, asking for gluten-free or diabetic food, or requesting volunteer services of mechanics, construction workers, or medical professionals.

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While food is generally thought to be beneficial, the authors maintain that, if eaten to excess, food can actually be harmful, causing such health-robbing problems as acid reflux, obesity, diabetic syndrome, lack of mobility and, in extreme cases, cancer, cardio-vascular disease or even death.

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