From the UK to Canada, China to India, around the world, yoga is big business. In 2016, Americans alone spent US$16 billion on yoga classes and products. To put that figure into perspective – this is the same amount allocated by the World Bank to help the entire continent of Africa tackle urgent climate change challenges.
But for many people, although they may well religiously attend their weekly yoga classes and enjoy sharing snaps of themselves mastering their latest yoga pose on Instagram, they might have less of
