If you’ve ever met with a doctor during your adult life, you know many of the traditional recommendations for leading a healthy life—eat more fruits and vegetables, stay active, drink water, get plenty of sleep. But one thing your doctor may not mention that can help is smiling more often.

Showing your pearly whites may seem like a simple, superficial action, but in reality it has a significant impact on your mind and body. Continue reading to learn three ways smiling makes it easier to live healthier.

When you got your veneers several years ago, you loved your smile so much you couldn’t stop showing it off, and you felt so confident! You knew they were “permanent” in that your teeth were irreversibly altered, but you were also told that the veneers unfortunately don’t last forever. At some point in the future, you’ll need to replace them, but how can you tell when the time is right?

Here are some clear signs to watch out for so that you can always feel as confident as you did when you first got them.