Adam Hadhazy, LiveScience Contributor
Date: 04 December 2011 Time: 08:54 AM ET
This December is chock full of "holy days," or holidays. On Dec. 25, Christians commemorate Christmas. For Jews, Hanukkah starts this year on Dec. 20 in the Western and international Gregorian calendar. Shia Muslims, meanwhile, celebrate Ashura today (Dec. 4), the 10th day of the Islamic lunar calendar's first month. Yet others in the Northern Hemisphere will party on Dec. 22 for the winter solstice, as druids might have ritualistically done so at Stonehenge in the U.K. 4,000 years ago.
Religion, it goes without further saying, is a very popular phenomenon. In the U.S., as in much of the world, a majority of people claim to practice some form of it. According to recent surveys, around 80 percent of American adults say they belong to an organized religion.
A minority of that population takes its religion very seriously. These individuals' behaviors and attitudes are largely influenced by what is perceived to conform to their faiths' dogmas. On the opposite end, another, smaller percentage of the population thinks that religion is absolute hooey.
Psychologists, sociologists and neurologists continue to study why some gobble up religion as profound truth while others reject it as superstition.
http://www.livescience.com/17299-atheists-religious-zealots-believers.html