Because meditation is a natural way to reduce anxiety and it works better than a Stress Management Education program.
You can find more information in this article "Randomized controlled trial of mindfulness meditation for generalized anxiety disorder: effects on anxiety and stress reactivity".
Because mindfulness prevents relapses in depression. If you have experienced depression in the past, mindfulness approximately halved rates of relapse. Even if it is unlikely to be effective in the treatment of acute depression, mindfulness can significantly reduce the risk of future relapse and decrease the depressive thinking.
Because mindfulness increases satisfaction with your body. By practicing self-compassion exercises, for example compassionate Body Scan, you can feel more connected with your body and relate to it with more kindness.
Because mindfulness improves our cognitive abilities. Taking 10 minutes to meditate every day can improve your focus and productivity. By training our brain to go back to the breath every time is wandering, we are also training our focus.