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.
1 Understanding simple words â You should be concerned if your child does not understand the words no, bye-bye, and bottle (if appropriate) by the age 15 months. 2  Vocabulary â Your child should use single words by 15 to 16 months of age at the latest. 3  They should have a 10 word vocabulary by 18 months of age.