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..
Some research shows that babies as young as 4-and-a-half months can learn to distinguish the sound patterns of their own name from those of similar-sounding names. Hereâs a general timeline for when babies say their first word, when babies start talking in full sentences and when babies talk clearly: By 6 monthsâ¦ Most babies are babbling regularly by 6 months, making short strings of consonant-vowel sounds such as ba-ba, ma-ma and da-da.