It’s strong, it’s stretchy, it’s lightweight. Sometimes, after a dentist’s visit, it’s even free—and it can do a lot more than prevent cavities and halitosis. Turns out, dental floss isn’t just for ...

This story is adapted from a Life Kit newsletter. Subscribe to get more helpful tips to make life better. Flossing is one of those things that you have to do but don't want to be asked about, ...