Worn joints. Just like the other joints in your body, your neck joints tend to wear down with age. Osteoarthritis causes the cushions (cartilage) between your bones (vertebrae) to deteriorate. Your body then forms bone spurs that affect joint motion and cause pain.
As the user guide explains, kids hardly read (and you canât expect a 3 year old to read!). So you get games which teach you about letters and numbers starting from the real simple ones to others that teach more fundamental things like reading time or guessing colors.
At what age does a child usually know their alphabet letters? Update: Don't worry everyone, my son is read to for at 45 minutes every day. You can't sit down at my house without 2yr old boy and a book suddenly appearing on your lap. He knows his alphabet too, I was just curiouse what the average age was. Thank you for all your answers.