But few teens actually get that much sleep regularly, thanks to factors such as part-time jobs, early-morning classes, homework, extracurricular activities, social demands, and use of computers and other electronic gadgets. Sleep deprivation might not seem like a big deal, but it can have serious consequences. Tired teens can find it difficult to concentrate and learn, or even stay awake in class. Too little sleep also might contribute to mood swings and behavioral problems. Drowsy driving can lead to serious â even deadly â accidents.
Necrotizing ulcerative gingivitis (NUG) is a condition affecting the gums that is caused by a bacterial infection. It is a form of periodontal (gum) disease. But unlike other forms, it typically develops quickly and causes moderate to severe pain. Necrotizing means that the condition destroys tissue.
What is nuchal translucency? Nuchal translucency (NT) is a collection of fluid under the skin at the back of a baby's neck. The nuchal translucency scan measures the thickness of this fluid to assess the risk of Down's syndrome. It can be measured using ultrasound. If the scan reveals that there is more fluid than usual, it could be a sign of Down's syndrome. Another sign of Down's syndrome is the shape of the baby's nasal bone.