It can be difficult to determine if your breath smells bad, as we become accustomed to our own odors. However, there are a few ways to test your breath. One method is to lick the back of your hand and let it dry for a few seconds. Then, smell your hand. If there is an unpleasant odor, it may indicate that your breath smells bad.
Making dietary changes can help improve breath odor. Avoiding foods that are known to cause bad breath, such as garlic and onions, can be beneficial. Instead, opt for foods that promote good oral health, such as fruits and vegetables. Drinking plenty of water throughout the day can also help keep the mouth hydrated and reduce the risk of bad breath.

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Poor oral hygiene is one of the main causes of bad breath. When we don't brush and floss regularly, food particles can get trapped in our teeth and gums, leading to the growth of bacteria. These bacteria release sulfur compounds that produce an unpleasant odor. Additionally, plaque buildup on the teeth can also contribute to bad breath.