Drug-herb interactions are rising; so are herbal supplement sales — In 2018, a 69-year-old man was admitted to a hospital in China. His complaints included lower limb weakness, unsteady gait, and muscle pain. He was found to have severe rhabdomyolysis, a potentially fatal type of myopathy (neuromuscular disorder) believed to be caused by statin (cholesterol-lowering drug) use. …