Well ... there are many indications that meditation (over long periods of time) provides many benefits, both physical as well as emotional and spiritual. And though we would like to claim that it is the answer to all problems, we feel - not yet. It depends a lot on the practitioner, how long they have meditated, how deep they go into their practice, what are the other conditions that affect them. The best idea is - this is great for long term growth. The results become obvious over multiple years. Till then, keep meditating and do not make drastic changes without referring to an expert.
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