The academic study of religion has its own history and its own methodological disputes.
What the discipline does
Describes and analyses religious traditions without adjudicating their truth claims.
Which is a methodological commitment rather than a position on belief.
The comparison problem
Whether categories derived from one tradition can describe another.
Which has been argued about for a century.
Fieldwork and texts
Two approaches producing different pictures of the same tradition.
Insider and outsider accounts
Both valuable and answering different questions.
The methodological commitment
Describing what practitioners believe and do without ruling on whether it is true.
Which is sometimes called methodological agnosticism and is frequently misunderstood as indifference.
It is a working constraint that makes description possible across traditions the scholar may or may not belong to.
Criticisms of the discipline
That its categories derive from particular traditions and distort others.
Which has been argued forcefully and has changed how the field works.
What counts as religion
A definitional problem the field has never resolved.
Which is itself instructive.
Ethnography
Studying practice as lived rather than as codified.
Which frequently differs substantially from official accounts.
Reading in the field
University press introductions covering most major traditions.
Where the field came from
Nineteenth century scholarship shaped by colonial contact and by assumptions about religious development.
Which the discipline has spent much of the last century unpicking.
Recognising that its own categories have a history is now a central part of how the field operates.
Sub-fields
History, sociology, anthropology, psychology and philosophy of religion.
Which ask different questions with different methods.
Lived religion
Attention to what practitioners actually do rather than what texts prescribe.
Which has substantially changed the picture in many traditions.
Teaching about religion
Distinguished from teaching a religion.
Which is a live question in school curricula.
Reading
Introductory volumes from university presses cover the field's methods and debates.
Why the category itself is contested
The term religion developed in a particular European context and does not map neatly onto how many societies organise practice, belief and community.
Which means applying it universally can impose distinctions that the traditions being described do not make.
Scholars have spent decades on this and have not resolved it, which is itself an important finding about the subject.
Reflexivity
Scholars examining their own position and assumptions.
Which is now standard practice in the field.
Collaboration with communities
Research conducted with rather than on practitioners.
Which has changed methods substantially.
Public understanding
The field's findings rarely reaching general discussion.
Getting into it
University press introductions and open-access journals.
How this article treats its subject
Everything here is written descriptively. Where a practice belongs to a living religious tradition, the aim is to say accurately what that tradition does and says about it, without arguing for or against its beliefs. Those are questions for the traditions themselves and for the people who belong to them.
Where research is mentioned, the intention is to report what studies have found rather than what enthusiasts or critics have claimed about them, including where the findings are weaker or more contested than popular coverage suggests.
A note on why the history matters
A great deal of contemporary spiritual and wellbeing material presents itself as ancient when it is recent, or as universal when it belongs to a particular tradition and place. Neither of those is necessarily dishonest, and both make it harder to understand what one is actually doing.
Knowing where a practice comes from, who developed it, what it was originally for and what changed along the way does not diminish it. It usually makes it more interesting, and it makes claims about it easier to evaluate.
Where to read further
Primary texts in good annotated translations, academic histories, and practitioners speaking about their own tradition are all more reliable than secondary summaries, including this one. Most of the traditions discussed here have extensive scholarly literature accessible to general readers, and university presses publish short introductory volumes on nearly all of them.
Where a practice has physical or psychological effects, medical and mental health professionals are the appropriate source of guidance, and nothing here is intended as advice of that kind.
On sources and disagreement
Scholars disagree about much of this material, sometimes sharply, and where that is the case it has been noted rather than resolved. Presenting contested questions as settled would be more comfortable to read and less accurate.
That applies particularly to questions of origin and influence, where the evidence is frequently thin and the temptation to fill gaps with a tidy narrative is strong. Where something is genuinely uncertain, the honest description is that we do not know.
A final word on approach
Traditions described here belong to living communities of people who practise them seriously. Writing about them from outside carries an obligation to get the details right and to avoid claiming more familiarity than the writing supports.
Where this article is thin, the traditions own sources are the correction.