MEDITATION IS A WAY to cultivate certain states of mind. For example, Metta meditation cultivates feelings of friendliness. Mindfulness meditation cultivates a state of freedom from biological drives and conditioned responses. Mantra meditation cultivates a state of relaxed alertness. Mantra is the kind of meditation .
Researchers have amassed quite a bit of data on what mantra meditation does, and when you add it all up it's pretty impressive. Meditation is so good for you in so many ways, I almost called , Why You're an Idiot if You Don't Meditate.