Last year, SBS Radio's Punjabi program began getting emails, photos and social-media posts from listeners complaining of foods bought at South Asian grocery stores around Australia. The foods, they said, were mouldy or smelled foul. The complaints triggered a months-long investigation by the program that has uncovered a potentially far deeper issue. It is a story about lead (led) and copper toxicity, arsenic, banned pesticides, DDT and more.
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