Because noisy music or dirty after-dinner environment will lead to negative influence on people's mood, thus slowing down the digestion speed and even reducing the digestive function, so you must not choose noisy music after lunch to avoid serious damage to your health.
Brushing your teeth and gargling after a meal has many benefits for your health, because gargling after a meal can avoid dental caries and bad breath, in addition, it can clean your teeth, avoid yellowing your teeth, and remove the taste of food in your mouth and improve your taste. So brushing your teeth or gargling after meals is a good choice.
Many friends only brush their teeth once a day in the morning and don't even rinse their mouths the rest of the time, but doing so can easily lead to excessive food residues in the mouth, resulting in bad breath, dental caries, decreased taste and excessive bacteria in the mouth, which will affect their health. So it is necessary to brush your teeth after meals. If you can't afford to eat, at least rinse your mouth frequently, so that you can eat better and have better health.