Discover and read the best of Twitter Threads about #watercress
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There's been a story in a UK tabloid (that I won't name), and @BBCRadio4 of all places; that #rocket #salad causes #cancer due to high levels of #nitrates in the leaves. Here's my take, and what's wrong with the thinking behind it.
A thread.
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A thread.
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It's true, #rocket #leaves are hyperaccumulators of #nitrates ; this isn't anything new. It's been known for a long time. Other crops with high nitrate content include #spinach and #watercress
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