Maybe you’ve heard the phrase “cognitive dissonance” – the discomfort you feel when aware you have conflicting beliefs, thoughts or feelings. The phrase was coined by social psychologist Leon Festinger, whose classic study of a doomsday cult found that when our beliefs are challenged, we may actually double down and believe harder: When the world […]
Should You Be Concerned About Dental X-rays?
There’s been a lot of talk about radiation lately – how much we’re exposed to, how that exposure may affect your health. Consider this intro to a recent article in Time, for instance: It’s no secret that some medical exams expose patients to harmful radiation. But how much is too much? Recent studies have […]