Reimagining US travel, gold standard science, immune-boosting tips: Check out the day’s stories

By Sarah Hutter, CNN 👋 Welcome to 5 Things PM! ’Tis the season of giving, which means that the apple pie and green bean casserole from your relatives might also come with a not-so-welcome side serving of sniffles and sneezes. These tips can help boost your immune system. Here’s what else you might have missed