@paulkater@mstdn.social
There seems to be quite a lot:
https://scholar.google.com/scholar?q=longevity+religiousness
This is not news; it's been long noticed that religious people tend to live longer, report higher levels of happiness, and are less stressed.
Not surprising, really. Religion provides comfort and certitude, and reduces fear of death. Organised religious practice facilitates social interaction and strengthen social bonds.