The science of gratitude: Why being thankful improves physical and mental health

Ahead of World Gratitude Day, celebrated annually on 21 September, Lounge looks at how weaving gratitude into our daily lives can help reduce cortisol and train the brain to focus on positivity over time

Blossom Kochhar
Published20 Sep 2025, 08:30 AM IST
Gratitude practices have been linked to reduced stress, improved mood, and lower levels of depression and anxiety.
Gratitude practices have been linked to reduced stress, improved mood, and lower levels of depression and anxiety.(Unsplash/ Donald Giannatti)

Gratitude is one of the most straightforward yet most powerful emotions we can practice. At first glance, it seems like nothing more than good manners, saying “thank you” when someone holds the door open, or appreciating a kind gesture. But gratitude is far more profound than that. It is not just an act; it is an attitude, a perspective, and a way of living. When fully embraced, gratitude has the power to shift how we experience the world, interact with others, and even how our bodies respond to stress and challenges.

In today's world, where our lives often move at a relentless pace, stress, anxiety, and comparison have become constants. We are wired to chase the next achievement, the next milestone, the next purchase. And in this race, we often forget to pause and reflect on what we already have. Gratitude becomes the pause button; a reminder that even in imperfection, there is abundance.

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GRATITUDE AND THE MIND

At its core, gratitude is about perspective. When we choose to focus on what we are thankful for, our mind gently shifts away from what we lack. This simple redirection is immensely powerful. Instead of being weighed down by dissatisfaction, gratitude uplifts us with contentment.

Think of a day when everything seemed to go wrong; the traffic was unbearable, a deadline loomed, and tempers ran high. But then, perhaps, a friend called with a kind word, or you sat down to a warm meal with your family. Choosing to focus on those small yet meaningful moments instantly softens the day's harshness. That is gratitude at work.

Scientific studies echo this truth. Gratitude practices have been linked to reduced stress, improved mood, and lower levels of depression and anxiety. But even without the research, we know this intuitively. Anyone who has ever written a gratitude journal or taken a few moments to count their blessings has felt that unmistakable lift in spirit. Gratitude calms the mind and opens the heart.

GRATITUDE AND THE BODY

What we often forget is that our mind and body are deeply interconnected. A peaceful mind reflects in a healthier body, and gratitude plays a central role in this harmony. When we feel thankful, our body produces more feel-good hormones like dopamine and serotonin, which improve mood and energy levels. Gratitude also reduces the stress hormone cortisol, which in turn lowers blood pressure, improves heart health, and supports better sleep.

It's almost magical to think that a simple act like saying “thank you” or recalling a happy memory can affect our physical health so profoundly. But it is true. A grateful heart often translates into a lighter, healthier body.

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WEAVING GRATITUDE INTO SMALL MOMENTS OF LIFE

The beauty of gratitude is that it doesn't require grand gestures or complicated rituals. It can be woven into the small moments of our daily lives. Here's how you can practice it:

Gratitude journaling: Before bed, jot down three things you're grateful for, big or small. This habit helps your brain focus on positivity over time.

Expressing thanks: Don’t wait for special moments, thank others for their kindness, no matter how minor. It shows you value them.

Mindful acknowledgment: Take a moment during the day to appreciate the little joys around you, like sunlight, fresh flowers, or the comfort of loved ones.

Start the day with gratitude: Each morning, pause to recognize one thing you’re thankful for; it sets a positive tone for the day.

These small practices, when done consistently, have a profound effect on both our mindset and our overall well-being.

WHEN THE GOING GETS TOUGH

Gratitude shines brightest during difficult times. It doesn’t eliminate challenges but empowers us to face them with resilience. By focusing on the positives like supportive family or caring doctors, we can navigate struggles with hope and courage.

Gratitude doesn't mean denying pain; it’s about finding balance, acknowledging hardships while appreciating the blessings that remain. It is an accessible form of therapy that transforms our experiences. It brings peace, joy, and appreciation for what we have. By practicing gratitude, we can face challenges with strength and positivity, inspiring others along the way.

Ultimately, gratitude is a lens through which we can view life differently with softness, kindness, and appreciation. It nurtures our mental well-being, strengthens our physical health, and enriches our relationships. In a world that often pulls us toward dissatisfaction, gratitude gently reminds us of abundance. And perhaps, that is its greatest gift: it helps us live with a full heart, no matter the circumstances.

Dr. Blossom Kochhar is a pioneer in aromatherapy and the founder of Blossom Kochhar Group of Companies.

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