The most common cause of bleeding when you brush is gingivitis, and infection of the gums. Untreated, gingivitis can lead to more serious forms of gum disease that will cause bone and tooth loss. When you see that your gums are bleeding when you brush, you should brush and floss more, not less.
When does puberty happen? There is no set age for puberty so try not to worry if your body changes earlier or later than your friendsâ. For girls, puberty often happens between 10 and 16,1 and for boys between 10 and 18.2. Remember that changes will happen over time.
Puberty describes all the physical changes that children go through as they grow into adults. Most boys start to go through puberty when they're around 13 or 14 years old, but there's no right or wrong time. It might be sooner or it might be later, and this is normal. Read more on boys and puberty.