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Grapefruit half. Photo: Push Doctor/Flickr
Ed Finn | Rather than a health-care system fixated on "treating" sickness and searching for elusive cures, it would be far better to have a system that puts a priority on helping people avoid illness.
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David Suzuki | Our bodies have powerful ways to ward off illness and infection so we can live long and healthy lives. But we defeat those defences when we harm the environment.