As the authors wrote in the discussion section, it is not very surprising that a combination of light physical activity and meditative mindset has general posit

As the authors wrote in the discussion section, it is not very surprising that a combination of light physical activity and meditative mindset has general positive effects. However, you could probably obtain the same result by walking and reciting Goethe poems because what people in the west understand by yoga is not very far from that. Like the Taichi stuff. Nobody knows what they are doing, but at least it doesn't harm too much and, as noticed in the paper, it has some positive effects. Anyway, better than doing nothing.