The unsexy truth about gratitude and mood

I kept a gratitude journal for two weeks once. Every night, I'd write down three things I was grateful for. My coffee that morning. A decent conversation with a friend. The fact that my cat hadn't knocked anything off the counter. By day ten, I was scraping the bottom of the barrel. By day fourteen, I felt like I was lying to myself.

The gratitude industry wants you to believe that listing things you're thankful for will transform your mental health. The research tells a different story. Gratitude interventions do show some benefits, but they're modest, inconsistent, and nowhere near the cure-all they're marketed as.

What the studies actually show

A large randomized trial with over 1,300 adults asked people to write daily gratitude lists for 14 days ¹. The intervention group listed moments they'd been grateful for each day, while control groups wrote about hassles or neutral events. The gratitude group did show improvements in well-being and affect, but the study doesn't report effect sizes or long-term follow-up. We don't know how big the change was or whether it lasted past the two-week mark.

Another trial tested a nine-week positive psychology intervention that included gratitude exercises alongside other components ². Participants with low or moderate well-being showed improvements in flourishing and decreases in anxiety and depression compared to a waitlist control group. But this wasn't a pure gratitude study. The intervention bundled gratitude with other techniques, so we can't isolate what gratitude itself contributed.

A web-based intervention that included gratitude practices among other well-being exercises showed similar results ³. Depression and anxiety symptoms decreased, resilience increased. Again, gratitude was part of a package deal, not the active ingredient on its own.

The pattern here matters. Most gratitude research doesn't test gratitude in isolation. It's folded into broader positive psychology programs, and those programs show modest benefits. But calling this evidence for gratitude specifically is like crediting the parsley for how good the steak tastes.

The WEIRD problem

Here's something the gratitude evangelists rarely mention: nearly all of this research comes from Western, Educated, Industrialized, Rich, Democratic populations. A bibliometric analysis of positive psychology interventions found that randomized controlled trials overwhelmingly study WEIRD samples ⁴. Out of 188 trials across 24 countries, the vast majority came from a narrow slice of humanity.

This matters because gratitude isn't culturally neutral. The idea that you should actively cultivate thankfulness through deliberate practice is a specific cultural value. In some contexts, excessive gratitude might signal low status or dependence. In others, it might feel performative or disconnected from lived reality.

We don't know if gratitude interventions work the same way for a single mother in Accra, a factory worker in Chongqing, or a refugee in Beirut. One study did test a digital mental health intervention with Syrian refugees in Lebanon, but it wasn't focused on gratitude ⁵. The intervention reduced depression, but it used problem-solving and behavioral activation, not gratitude lists.

The evidence base is narrow. If you're not college-educated, Western, and relatively comfortable, the research hasn't really studied you.

When gratitude research gets specific

Some studies do test gratitude with specific populations. One trial worked with sexual abuse survivors, using gratitude therapy to reduce negative emotions ⁶. The intervention involved expressing gratitude to the environment, God, and other people. The experimental group showed reductions in negative emotions compared to controls.

This is interesting, but it also highlights how gratitude interventions often carry implicit assumptions. This particular intervention was framed as a religious activity. That's fine if you're religious, but it's not a universal approach. It's also worth noting that reducing negative emotions isn't the same as improving overall functioning or quality of life. We don't know from this study whether the survivors felt better equipped to handle their lives, or just less acutely distressed.

Another study looked at postpartum depression management ⁷. It examined the prevalence of postpartum depression and interventions used in a health facility in Ghana, but the abstract doesn't specify what role, if any, gratitude played in treatment. The study identified that 10-15% of mothers experience postpartum depression, but it doesn't give us clear evidence about what helps.

What gratitude can't do

The problem with gratitude hype isn't that gratitude is useless. It's that the discourse oversells it and undersells everything else. Gratitude interventions show small-to-moderate effects in some studies, no effects in others, and we rarely see long-term follow-up data. We don't know if the benefits last three months, six months, a year.

More importantly, gratitude doesn't address structural problems. If you're depressed because you're isolated, underemployed, or stuck in a situation you can't change, listing things you're grateful for won't fix that. It might make you feel slightly better in the moment, but it won't change the conditions that are grinding you down.

One study looked at college students during the COVID-19 pandemic and examined whether grit and gratitude helped with stress and well-being ⁸. The research investigated resilience during campus closure and the pandemic's impact on psychological, academic, and financial well-being. But the abstract doesn't give us clear outcomes about whether gratitude actually buffered students against pandemic stress. We know the pandemic was brutal for students. We don't have strong evidence that gratitude lists helped much.

What actually helps

Here's what the research does support: comprehensive interventions that combine multiple strategies tend to work better than single-component approaches. Behavioral activation, problem-solving, social connection, and yes, sometimes gratitude, bundled together, can improve well-being and reduce depression ²³.

But the active ingredient might not be gratitude itself. It might be the act of paying attention, the ritual of reflection, or the implicit message that you have some control over your mental state. Those things matter, but they're not unique to gratitude.

Peer support works, and it's free. Talking to people who've been through what you're going through, who understand it from the inside, often does more than any journaling exercise. It's concrete, it's relational, and it doesn't require you to perform positivity you don't feel.

The bottom line

Gratitude interventions show modest benefits in some studies, mostly with WEIRD populations, mostly in the short term. They're not harmful, and if listing things you're grateful for genuinely helps you, keep doing it. But don't let anyone tell you it's a substitute for addressing the real conditions affecting your mental health.

You're not broken because gratitude journaling doesn't fix you. You're not ungrateful because you can't muster enthusiasm for listing things every night. The research doesn't support the hype, and you don't owe anyone a performance of thankfulness.

If you want to try gratitude practices, go ahead. But if they feel forced, hollow, or like one more thing you're failing at, drop them. Focus on what actually changes your circumstances: connection, action, problem-solving, and talking to people who get it.

— Adam 🤍

sources

1. Cunha et al. (2019). Positive Psychology and Gratitude Interventions: A Randomized Clinical Trial. Frontiers in Psychology.
2. Schotanus-Dijkstra et al. (2017). An early intervention to promote well-being and flourishing and reduce anxiety and depression: A randomized controlled trial. Internet Interventions.
3. Parks et al. (2018). Testing a scalable web and smartphone based intervention to improve depression, anxiety, and resilience: A randomized controlled trial. International Journal of Wellbeing.
4. Hendriks et al. (2018). How WEIRD are positive psychology interventions? A bibliometric analysis of randomized controlled trials on the science of well-being. The Journal of Positive Psychology.
5. Cuijpers et al. (2022). Effects of a WHO-guided digital health intervention for depression in Syrian refugees in Lebanon: A randomized controlled trial. PLoS Medicine.
6. Hamka et al. (2023). The effectiveness of gratitude intervention in reducing negative emotions in sexual abuse victims. Psikohumaniora Jurnal Penelitian Psikologi.
7. Anokye et al. (2018). Prevalence of postpartum depression and interventions utilized for its management. Annals of General Psychiatry.
8. Bono et al. (2020). Stress and wellbeing in urban college students in the U.S. during the COVID-19 pandemic: Can grit and gratitude help?. International Journal of Wellbeing.