A survey of opinions on whether yoga is a religion offers a range of answers to suit any predisposition or bias. Passionate, polarized debates on ‘what yoga is’ surface time and again in books, on websites, and during awkward discussions with family members or friends trying to understand what it is that has drawn their loved one to this mysterious ancient practice. Is it religion masquerading as exercise? Eastern mysticism? A fitness regimen? Applied Hinduistic theism? A sister tradition to Buddhism? Pantheist philosophy? An atheist doctrine bent on sabotaging Christian beliefs?