The document discusses different types of meditation. It begins by defining meditation as a mental exercise that benefits the body and mind. It notes that meditation originated in Eastern cultures like India and Tibet but has been popularized in the West. The document then covers various meditation techniques like Transcendental Meditation and different forms like concentrative, mindfulness, and others. It discusses the physiological and psychological benefits of meditation that have been shown by research studies. These include reduced stress, anxiety, and depression as well as effects on the brain, heart, and relaxation response. The document concludes with tips on how to meditate regularly and effectively.