Over the past few decades, yoga has become more widely practiced. What started out as a meditation method in the East thousands of years ago has now grown into a billion-dollar fascination with modern living. This can be explained by the fact that yoga is adaptable and can help practitioners from a variety of backgrounds. Many celebrities swear by yoga as a physical and spiritual exercise; even those who don't practice seem to know someone who does. Adjectives such as strength, flexibility, balance, calm, and relaxation are often used by practitioners to describe their experiences. But exactly what is yoga? And how far has this tradition strayed from its roots in the past?