Seemingly harmless chrysanthemums make a toxin used in pesticides and louse shampoos.Credit: VCG/VCG via Getty Most Delicious Poison: The Story of Nature’s Toxins — From Spices to Vices Noah Whiteman Little, Brown Spark (2023) One beautiful summer’s day about 30 years ago, my father had a mini-stroke. He was diagnosed with a heart arrhythmia and …
