Hygiene · Lesson 57 of 101

Bad Breath is Avoidable—Fix It

How to get rid of bad breath for good: brush your tongue, drink more water, use sugar-free gum, and know when to see a dentist. Simple habits teens can use.

From the book

Sugar-free gum or mints can be a lifesaver in situations where you need a quick fix, but they’re not a substitute for good oral care. Look for products containing xylitol, a natural sweetener that helps reduce bacteria in the mouth. However, if bad breath persists despite these efforts, it’s time to consult a dentist. Chronic bad breath could be a sign of underlying issues like gum disease, cavities, or even problems in your digestive system.

What this lesson means about bad breath

Everybody wakes up with morning breath. That's normal. But bad breath that sticks around all day is a different story, and most of the time it can be fixed. The book's message is short and honest: bad breath is usually avoidable, so take care of it.

Ongoing bad breath has a name, halitosis, but you don't need a fancy word to understand it. Most of the time it comes from bacteria in the mouth, leftover food, or a mouth that's too dry. Good daily habits handle the bulk of it. When they don't, that's a signal to see a dentist.

Why fresh breath matters for teens and young adults

Bad breath is one of those things people rarely mention to your face. Instead, they lean back, step away or keep conversations short. A teen might never know why a group project partner seemed distant or why a date felt awkward.

Think about all the close-up moments in a young person's life. Talking with friends at lunch. Leaning in to help a classmate. A job interview across a small table. A first kiss. Fresh breath makes all of those moments more comfortable for everyone.

Teens also face some common causes. Energy drinks and coffee, skipping water during the school day, braces that trap food and late nights where brushing gets skipped. Knowing the causes makes the fix easier.

The good news is that fresh breath is mostly in your hands. Unlike some things in life, you don't need luck or money to fix it. You need a toothbrush, floss, a water bottle and a few minutes each day.

How to get rid of bad breath

  1. Brush twice a day, tongue included. Brush for two minutes and then gently brush your tongue or use a tongue scraper. The tongue holds a lot of the bacteria that cause odor.
  2. Floss every day. Food stuck between teeth breaks down and smells. Flossing gets it out before it becomes a problem.
  3. Drink plenty of water. A dry mouth is a common cause of bad breath. Carry a water bottle and sip throughout the day to rinse away food and bacteria.
  4. Go easy on caffeine. Coffee and energy drinks can dry out your mouth. Balance them with extra water.
  5. Keep sugar-free gum or mints handy. They're great for a quick fix before a meeting or a date. Look for ones with xylitol, but don't use them in place of brushing.
  6. See a dentist if it won't go away. If you're doing all of the above and the problem continues, book a checkup. Ongoing bad breath can point to cavities, gum disease or another health issue.

For the full daily routine, see Brush and Floss Like Your Smile Depends on It (Because It Does).

For parents: how to bring it up without a lecture

Telling a teen they have bad breath is awkward for both of you. But it's kinder to hear it privately from a parent than to find out from teasing at school. Keep it short, calm and private, and lead with care. Something like, "Hey, I noticed your breath has been a little off lately. Want to grab some new toothpaste and a tongue scraper this weekend?"

Focus on solutions, not embarrassment. Make sure the house has floss, a tongue scraper and sugar-free gum. Send them to school with a water bottle. If you suspect a dental issue, schedule a checkup and let the dentist do the explaining.

You can also hand them this lesson or the book and skip the talk altogether. Many teens would rather read it alone than hear it from a parent.

The bottom line

Bad breath is common, but it doesn't have to be your problem. Brush your tongue, floss, drink water and see a dentist if it sticks around. Fresh breath is a small detail that makes every conversation easier.

Key takeaways

  • Morning breath is normal, but bad breath all day usually has a fix.
  • Brushing your tongue and drinking plenty of water handle most of the problem.
  • If bad breath doesn't go away with good habits, see a dentist.

Questions to ask your teen

  • Would you want a friend to tell you if you had bad breath? How would you want them to say it?
  • How much water do you think you drink on a normal school day?
  • What's your go-to when you need fresh breath fast?

This is lesson 57 of 101. The full lesson, and the other 100, are in the book.

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Common questions

Why does my teenager have bad breath even though they brush?

Common reasons are skipping the tongue, not flossing, or a dry mouth from not drinking enough water. If good habits don't help, a dentist can check for problems like cavities or gum disease.

Does gum or mouthwash fix bad breath?

Sugar-free gum and mints can freshen breath for a short time, and ones with xylitol may help reduce bacteria. But they only cover the smell. Brushing, flossing and staying hydrated are what fix it.

When should someone see a dentist about bad breath?

If bad breath sticks around even with good brushing, flossing and enough water, it's time to book a visit. Ongoing bad breath can be a sign of a dental or other health problem worth checking.