Ayurveda and Yoga is all about of equilibrium state of MIND, BODY and SOUL. Means you have to follow protein enrich balanced diet plan, DO YOGA/Exercise in the morning, Early to BED and early to rise, take some side effect FREE ayurvedic medicines to boost your memory/concentration and brain power. You have not mentioned your height and weight to get an idea about your overall physical health ?
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Early to BED and early to rise, Only food as per diet chart, Don't skip, sleep, breakfast, exercise.