Gratitude — the habit of noticing and appreciating what is good in your life — is genuinely worth practising: research links it to better mood, a more hopeful outlook, warmer relationships, and easier sleep. But it is important to be honest about it too. Gratitude is not a cure for depression or anxiety, and it is not the same as forced positivity that denies what is hard. Think of it as a small, trainable attention skill with modest but real benefits — not magic, but not nothing.
Few ideas in wellbeing are as popular, or as oversold, as gratitude. It is on mugs and in apps and at the end of every motivational video: count your blessings and your life will transform. As a clinical psychologist, I find myself in an unusual position on this — I recommend gratitude to many of the people I see, and I spend a fair amount of time correcting what they have been told about it. Because the honest science of gratitude is more interesting, and more useful, than the hype.
Let me give you the real picture: what gratitude actually is, what the evidence does and does not support, why it works when it works, and how to practise it without slipping into the empty positivity that gives the whole idea a bad name.
What gratitude actually is
At its simplest, gratitude is the readiness to notice something good, to appreciate it, and often to want to pass it on. It is other-directed — we feel it toward people, life, chance, or the divine — and it rests on recognising that something valuable has come to us that we did not have to earn. The word itself comes from the Latin gratia: grace, graciousness, the beauty of giving and receiving.
India has known this for a very long time. Kritagyata in Sanskrit, shukrana in Urdu and Hindi — gratitude is woven through our festivals, our prayers, our way of greeting a harvest or a guest. Diwali, at heart, is a season of it. What modern psychology has added is not the idea, but the evidence: a way to test whether deliberately practising gratitude actually changes anything. Mostly, it turns out, it does — within limits worth understanding.
What the science really shows
Psychology only turned its full attention to gratitude around the year 2000, after a century spent mostly studying distress. The foundational study set the tone.
In a landmark set of experiments, people randomly assigned to write down a few things they were grateful for each week reported higher wellbeing, more optimism, and even more helpful behaviour toward others than those who listed hassles or neutral events. The clearest, most reliable effect was on positive mood (Emmons & McCullough, 2003).
Since then, gratitude has been linked to a warmer social life, more resilience in hard times, and better sleep — a few grateful reflections before bed genuinely seem to help people rest. So far, so encouraging. But here is where an honest account matters, because this is exactly what the internet leaves out.
A careful review pooling 27 trials and more than 3,600 people found that gratitude exercises have only a small, modest effect on symptoms of depression and anxiety — and the researchers were clear that anyone trying to treat those conditions should rely on approaches with stronger evidence (Cregg & Cheavens, 2021).
So the fair summary is this: gratitude reliably lifts everyday wellbeing, mood, and connection by a meaningful-if-moderate amount for most people. It is a fine complement to a good life and to treatment. It is not a substitute for therapy when someone is genuinely depressed or anxious, and claims that it dramatically overhauls physical health run well ahead of the evidence. Knowing that difference is what keeps gratitude useful instead of disappointing.
Why gratitude works — when it works
The mechanism is more interesting than “think positive.” Human beings are built to adapt. A pay rise, a new home, a recovery from illness — whatever it is, the delight fades startlingly fast, and we return to taking it for granted. Psychologists call this hedonic adaptation, and it is the quiet reason so much of what we once longed for stops registering as good once we have it.
Gratitude works by deliberately interrupting that process. It is, at bottom, a redirection of attention — a decision to re-notice what has already become invisible to us. This is also why gratitude is the natural antidote to the “I’ll be happy when…” treadmill: it moves your focus from what is missing and still wanted, to what is present and already good. It does not make problems vanish; it stops them from crowding everything else out of view.
What gratitude is not: a word on toxic positivity
This is the distinction I care about most, because getting it wrong does real harm. Genuine gratitude does not require you to deny what is difficult, paint on a smile, or tell yourself — or anyone else — that they should just be thankful and stop complaining. That is not gratitude; it is emotional avoidance wearing gratitude’s clothes, and it tends to leave people feeling unseen and ashamed of their own struggles.
Real gratitude is spacious enough to hold two things at once: this is genuinely hard, and there is still something here worth appreciating. It sits alongside grief, worry, and anger — it does not paper over them. If a gratitude practice ever starts to feel like a demand to feel fine when you do not, that is the signal you have wandered into forced positivity, and it is worth stepping back.
How to build a gratitude practice that actually helps
The research points to a few things that make the difference between a practice that works and one that fizzles.
Keep a gratitude journal — but go deep, not wide
Rather than rattling off a long list every single day until it becomes a chore, write about a few things in some depth, and not necessarily daily — a couple of times a week is often better. Be specific (“the way my friend called just to check in” beats “my friends”), and dwell on why each one matters. Depth and genuine feeling matter far more than volume.
Write the letter you never sent
One of the most powerful exercises in all of positive psychology is the gratitude letter: writing, in detail, to someone who helped you and was never properly thanked — and, if you can, reading it to them. It tends to move both people deeply, and its effects can last well beyond the moment.
Notice in real time
Journals are for reflection, but much of gratitude’s benefit comes from catching the good as it happens — pausing for a moment over a decent cup of tea, a kindness, a sky. This is the everyday muscle, and it strengthens with use.
Let it be genuine
Gratitude works best when it is freely chosen, not imposed. Studies find people benefit most when they actually want to do the practice rather than treating it as an obligation. If it feels hollow, change how you do it rather than forcing more of the same.
When gratitude isn’t enough
If you have been feeling persistently low, anxious, or numb — if the good things genuinely do not register no matter how hard you try to notice them — that is not a gratitude failure, and no amount of journalling is the right tool for it. An inability to feel pleasure or appreciation is often itself a symptom worth taking seriously. In that case, the kind thing to do for yourself is to speak with a professional. Gratitude can walk alongside that support; it is not a replacement for it.
Gratitude is a skill, not a slogan. Practised honestly — alongside life’s difficulties rather than instead of feeling them — it quietly makes a good life more visible. That is a modest promise, and a real one.
If low mood or anxiety is making it hard to feel much of anything — gratitude included — you don’t have to work through it alone. Support is here whenever you need it.
You may also find it helpful to read about living with compassion, finding inner peace, and — if low mood has settled in — recognising and treating depression.
Cregg, D. R., & Cheavens, J. S. (2021). Gratitude interventions: Effective self-help? A meta-analysis of the impact on symptoms of depression and anxiety. Journal of Happiness Studies, 22(1), 413–445.
About Dr. Prerna Kohli
Dr. Prerna Kohli is a clinical psychologist with more than three decades of experience in private practice in Gurgaon. She holds a Ph.D. in Clinical Psychology and works with individuals, couples, and families across India and the Indian diaspora. She was honoured with the 100 Women Achievers of India award (2016) by the President of India, and writes and speaks widely on emotional wellbeing and relationships.