When you get in a stressful situation, your heart rate goes up and your blood pressure rises - the classic 'fight or flight' response. Not all people react the same, however.
Kevin Masters, of the University of Colorado, and Andrea Knestel (Brigham Young University), decided to test whether religious and non-religious people react differently to stress. People who do react badly to stress are more likely to die young, and they were wondering if this might help explain the differences in life expectancy between the religious and non-religious.
So they advertised for people to come into their lab (they got 131 people in total, aged between 40-70 years). Then they stressed them!
The stress task involved a spot of mental arithmetic, followed by role-playing (having a row with a medical insurance rep over a claim - a typically American situation!). They first had to spend 5 minutes preparing (aka fretting), and the role-play was filmed - just to add to the stress.
A third of their group was non-religious, and they divided their religious subjects according to whether they were intrinsically religious (i.e. for their own, internal reasons), extrinsically religious (because they love all the external trappings - the social activities, social status etc). Religious people who were both intrinsically and extrinsically religious were called 'pro-religious'.
Well, it turned out that too few religious people would admit to being solely motivated by extrinsic motives. So they only got the 'pro-religious', and an equal number of intrinsically religious.
Well, the strange thing was that the non-religious and the intrinsically religious reacted similarly badly to stress, while the pro-religious were better than either of the other two groups.
It's a bit of a mystery why this should be - the researchers admit that it's not what they were expecting. The pro-religious group also said that they thought the situation, if they experienced it for real, would not be that stressful.
Interestingly, although (like everyone) the pro-religious initially volunteered for the experiment, they were the hardest to track down and follow up on. That's pretty characteristic of extrinsically motivated people in general - they work hard at creating an appearance of being committed and hard-working, but are less interested in following through. Perhaps they were just less empathic.
The pro-religious were also more neurotic. Neurotic people have previously been shown to react with less stress in this sorts of task.
Going to Church (mixing with other people, using religion as a tool to improve your social status) is exactly what distinguishes the 'pro-religious' from the intrinsically religious and the non-religious. Could it simply be that the 'pro-religious' are more confident in themselves, as a result of being embedded in society, and so find it easier to brush stress off?
And might this help explain why church-goers tend to live a little longer?
Masters KS, & Knestel A (2011). Religious motivation and cardiovascular reactivity among middle aged adults: is being pro-religious really that good for you? Journal of Behavioral Medicine PMID: 21604184