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One of New Zealand's most routinely consumed drugs has contributed to 31 deaths since 2007, and research suggests it's an ineffective pain reliever. Dr Frances-Rose Schumacher explains.
Some New Zealanders are convinced IV vitamin C is the reason for their cancer regression - but what does the science say?
Dr Frances-Rose Schumacher tackles her toughest question yet.
Dr Frances-Rose Schumacher looks into whether loading up on oranges and vitamin C supplements will help you get over that nasty cold.
Coffee now carries a cancer warning in California. So will my daily cup of joe kill me? Dr Frances-Rose Schumacher examines the science.
In our new weekly column, biochemist Dr Frances-Rose Schumacher explains science.