Are Eggs Healthy for You — And for the Planet?

Chicken eggs are controversial. Some people call them a superfood that is loaded with nutrients, while others say they contribute to disease. Ovo-vegetarians consume them, but their vegan friends do not. Eggs aren’t flesh, and laying hens aren’t killed for their eggs. But there are still some pretty disturbing ethical issues in the poultry industry. So, what’s the truth about eggs? Are eggs healthy, ethical, or sustainable? And if you’re going to eat them, are there any best options?