One large raw onion has only 63 calories, is made up of more than a cup of water, and provides up to 20% of your RDA of vitamin C. Do you tear up when slicing one? Try chilling the onion in the ...

Onion boils are all over TikTok with users touting the cooked vegetable as a tasty meal or side dish. But is it OK to eat a whole onion? RDs weigh in.