Life on the mainland is comfortable, but food safety remains a major issue. A few unscrupulous businesses engage in unethical practices, and just thinking about it reveals a multitude of problems: Sulfur-treated goji berries; rootless bean sprouts (hormones + preservatives); tripe (soaked in formaldehyde); white fungus, pistachios, and lotus seeds (seriously exceeding sulfur dioxide limits); cadmium-contaminated rice; leeks (a major source of highly toxic pesticide residues, which Pang Donglai once stopped selling). With so many unscrupulous and profit-driven individuals, many people are developing health problems from unhealthy food…