Accoring to the author's article he said" 16 years ago he estimated that 80% of the population had FHP, but was surprised and concerned that in our large population today the number was 96.5%"
FHP stress eventually breaks down the spine, discks, muscles, etc. if you have an opportunity do read his entire article which can be found on www.theamericanchiropractor.com.
If you are reading this article it is truly important to view the enclosed video on the next page, as this will give you a better understanding of how this can effect you as a teen, and if you are a parent you probably didn't even realize what type of effect this is causing your kids.