Physical health and spiritual health are connected to each other?

"An integral part of many people's lives, religion defines patterns of worship and socialization, but its impact, if any, on health is unclear. Some studies show a benefit to religious practice, while others -- including much of the research into prayer -- fail to prove its health value.

The question of the role something as unquantifiable as religious belief might play in health troubles some scientists in an age when mainstream medicine is turning ever more toward epidemiological science to define research protocols and to determine the validity of treatments.

That said, it's not hard to understand why being religious might be good for the body, experts say. Religious people often attend regular services; this puts them in a socially supportive environment, which has widely acknowledged health advantages. And some religions promote healthful diets and discourage unhealthy behaviors such as drinking alcohol and smoking.

"Religions package many of the ingredients of well-being to make them accessible to people," said Richard Eckersley, a visiting fellow at the National Centre for Epidemiology and Population Health at the Australian National University in Canberra. And the "psychological well-being" that religion can promote is "linked to physical health through direct physiological effects, such as on neuroendocrine and immune function, and indirect effects on health behaviors, such as diet, smoking, exercise and sexual activity."

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