Since his illness , Castro has written regular `` Reflection '' newspaper commentaries . His topics have ranged from former leaders to plants . Tuesday 's topic : Yoga . ` I'm not a yoga expert
Since his illness , Castro has written regular `` Reflection '' newspaper commentaries . His topics have ranged from former leaders to plants . Tuesday 's topic : Yoga . `` Yoga does things with the human body that defy the imagination , '' Castro wrote .