給雞肉調味的 14 種美味方法  - https://www.webmd.com/food-recipes/ss/slideshow-season-chicken

For decades, poultry producers added the arsenic-based drug roxarsone to chicken feed. It made the chickens grow faster and gave their raw meat an attractive pink color. This drug hasn’t been on the market since 2011, but many other arsenic-based drugs are still part of chicken feed. Even at low levels, arsenic can cause cancer, heart disease, and diabetes. If you’re concerned, stick to certified organic chicken, which doesn’t allow arsenic in the feed. - https://www.webmd.com/food-recipes/ss/slideshow-the-truth-about-chicken
