Feeling joy when thinking abstract thoughts about God — that might not be positvely or negatively selected for since it doesn't affect your kids, but there is emerging evidence that it is a side effect of the way our brain is wired to process information, which itself is a product of evolution and will require picking up that neuroscience text to understand. (religion.blogs.cnn.com)
It all has to do with the way our brains are wired: Kids over-exposed to high - fat, high - sugar foods have a less sensitive reward system and need more junk food to feel the good effects sweet treats bring. (pregnancymagazine.com)
Bechara speculates that these disparities may be caused due to some gender differences in the way the brain is wired. (scientificamerican.com)