A combination of these symptoms due to vertebral narrowing is called vertebral insufficiency. Note that a narrowing in the subclavian arteries (which supply the arms) can also sometimes cause vertebral symptoms, since the vertebral arteries branch from these arteries.
1 Some eager parents interpret a string of da-da babbles as their baby's first words -- daddy!. 2  But babbling at this age is usually still made up of random syllables without real meaning or comprehension. 3  Baby talk at 9 months. 4  After 9 months, babies can understand a few basic words like no and bye-bye..
When do babies start talking? Your baby learns to talk during his first two years of life. Long before he utters his first word, he's learning the rules of language and how adults use it to communicate. He'll begin by using his tongue, lips, palate, and any emerging teeth to make sounds (cries at first, then ooh's and ahh's in the first month or two, and babbling shortly thereafter).