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News
Mindfulness, gratitude, and optimism exercises may measurably improve cardiovascular health in as little as 8–12 weeks, according to a review of 18 randomized controlled trials. Programs that combined daily practice with weekly reinforcement showed the strongest results, reducing blood pressure and inflammation. Researchers say psychological well-being could become a standard tool in heart disease prevention.
A review of 18 randomized controlled trials led by University of Illinois Urbana-Champaign professor Rosalba Hernandez found that positive psychology interventions — think mindfulness, gratitude journaling, and optimism training — consistently improved key cardiovascular markers including blood pressure, inflammation, and endothelial function. The sweet spot? Daily practice reinforced by weekly sessions over an 8–12 week period.
The programs came in many forms — WhatsApp-based microtasks, motivational interviewing, in-person group sessions, and hybrid digital tools — but the most effective ones kept participants engaged frequently. One standout: a 12-week spirituality-based digital program reduced systolic blood pressure by 7.6 points. Another boosted cardiac patients' daily step count by 1,800 steps while improving medication adherence.
By the Numbers
Why it matters: Heart disease remains a leading killer, and these findings suggest that integrating mental and behavioral health tools into standard cardiac care — through routine screening and cardiac behavioral medicine — could meaningfully reduce risk without adding medications.
