Numbers were released this week showing only 24% of those who have enrolled in Obamacare so far are in the 18-34 demographic so important for the success of the program.&nbsp; Administration officials claim there will be a surge of enrollments within this age group before the enrollment deadline, but what if they're wrong?&nbsp; Will it really make economic sense for those who are young and healthy to buy health insurance?&nbsp; Learn more:&nbsp; <a href="http://www.cnbc.com/id/101343022">www.cnbc.com/id/101343022</a><br />