In a review of 19 randomized controlled trials Qigong was found to be the optimal meditation exercise to lower systolic blood pressure and diastolic blood pressure of hypertensive patients.
This study looked at the effect of 6 weeks of yoga and meditation on medical students’ levels of perceived stress and sense of wellbeing prior to taking their exams. The results showed a statistically significant reduction in perceived stress after the 6 week yoga and meditation program. After the yoga intervention, self-assessment survey results showed a significant improvement in feelings of peace, focus, and endurance. Improvements in happiness, positivity, personal satisfaction, patience, fatigue and self-confidence were also seen.