How to Be Happier: 7 Science-Backed Strategies

7 Keys to Happiness, According to Scientific Research

7 Keys to Happiness, According to Scientific Research
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7 Keys to Happiness

Discover science-backed habits that boost life satisfaction and lasting well-being.
7 Keys to Happiness

Happiness isn’t about constant positivity or a problem-free life. According to experts, it’s more about finding balance, purpose, and satisfaction.

“Generally, in Western culture, we view ‘happiness’ as the presence of positive feelings and the absence of negative ones. Some Eastern cultures define happiness as having a sense of calm,” says Liana Lianov, MD, MPH, a Sacramento, California–based lifestyle medicine doctor with the American College of Lifestyle Medicine and the founder and president of the Global Positive Health Institute, a nonprofit organization that integrates positive health into healthcare settings. “Regardless, emotions are fleeting, so a better way to assess happiness is to look at our overall life satisfaction.”

Researchers describe these two sides as hedonic happiness (pleasure) and eudaimonic happiness (meaning and purpose).

 While both matter, eudaimonic happiness is more strongly linked to lasting well-being, better physical health, and even longevity.

The good news: Science shows there are simple, healthy habits that can strengthen both types of happiness.

1. Invest in Relationships

Strong relationships are one of the most reliable predictors of long-term happiness. Research shows that people with close, supportive connections tend to be healthier, live longer, and feel more fulfilled.

Social connection activates the brain’s reward and bonding systems, releasing feel-good hormones like oxytocin and dopamine. These biological responses improve negative mood, lower stress, and help explain why meaningful relationships are so strongly linked to happiness.

Even brief interactions offer benefits, says Jennifer Veilleux, PhD, a clinical psychologist and professor at the University of Arkansas in Fayetteville. “Ask someone about their day and show curiosity in their answer,” she suggests. “People want to feel heard and understood, so putting that energy out into the world tends to bring it back onto you.”

2. Practice Gratitude

Gratitude — recognizing what’s good in your life despite challenges — is one of the simplest and most studied happiness boosters, according to Dr. Lianov. Research shows that people who regularly reflect on what they were thankful for reported greater positive emotions and lower stress.

“Slowing down and being grateful for even the tiniest good things in our lives — like breathing deeply during a peaceful moment or taking a short walk in nature — is powerful for calming negative emotions and boosting positive ones,” Lianov says.

Try weaving gratitude into your routine in simple, sustainable ways. Keep a journal and jot down a few things you’re thankful for once or twice a week, or pause during your day to notice small moments of comfort or connection. Focusing on what’s going well — especially during stressful times — can gradually shift your mindset toward positivity and resilience.

3. Be Kind

Acts of kindness don’t just help others — they make you happier, too, says Lianov. “Even small acts, like opening a door for someone or helping them carry a heavy bag, are ways to boost our positive emotions,” she says.

Studies show that generosity activates the brain’s reward centers and releases feel-good hormones like oxytocin and neurotransmitters like serotonin. These changes not only lift mood but also help regulate blood pressure and stress, reinforcing that kindness is good for your health as well as your happiness.

Look for small, consistent ways to show kindness in daily life: Offer help to a co-worker, send a supportive text, or simply be patient in line, says Lianov. Whether planned or spontaneous, these gestures build a sense of connection and reinforce positive emotions over time.

4. Keep Moving

Physical activity is one of the most reliable ways to lift your mood, Dr. Veilleux says.

Research shows that regular exercise can reduce stress, ease symptoms of anxiety and depression, and improve your sleep, which are all key to emotional well-being. Movement also boosts serotonin and dopamine — the same neurotransmitters tied to happiness. At the same time, it lowers cortisol and inflammation, which are both linked to chronic disease.

“Exercise doesn’t have to mean going to the gym,” says Veilleux. “Taking a walk, especially outside, brings more oxygen to the body and increases endorphins.”

According to the Centers for Disease Control and Prevention (CDC), adults should aim for at least 150 minutes of moderate-intensity aerobic activity — like brisk walking or cycling — each week, plus two days of muscle-strengthening exercise.

But you don’t have to do it all at once. Breaking activity into shorter sessions still offers those mental health benefits. The goal is to move regularly in ways you enjoy, which helps sustain both mood and motivation.

5. Savor Positive Moments

The mindfulness-based practice of savoring involves intentionally slowing down to notice and fully experience moments of joy.

“As we are enjoying a happy moment, such as walking by a beautiful flower bush or noticing a friendly smile, we can stop for a moment to fully take in our positive reaction and extend that happy feeling a while longer, rather than quickly moving on,” Lianov explains.

Research shows that savoring not only strengthens pleasant emotions in the moment but also trains the brain to recognize and respond to positive experiences more often. By repeatedly focusing attention on what feels good, you reinforce neural pathways tied to reward and well-being, making it easier to notice everyday joy over time.

To build this habit, try pausing during small, enjoyable moments — your morning coffee, a laugh with a friend, or the feeling of sun on your skin — and take a few extra seconds to fully absorb them, says Lianov. Practicing this a few times a day can help make positivity a more natural, automatic part of your routine.

6. Engage in Meaningful Activities

Pleasure is only one part of the happiness equation. Purpose matters, too.

“We all have values that we care about,” says Veilleux. “Some people care about belonging, others about achievement, others about curiosity. But choosing to engage in valued activities tends to help people feel more fulfilled.”

Research on positive psychology supports this: Living in alignment with your values increases motivation, satisfaction, and resilience. Whether it’s volunteering, learning something new, or spending time on a creative project, doing what matters to you fosters a deeper, more sustainable sense of well-being.

7. Try Mindfulness Meditation

Mindfulness meditation, a practice of paying attention to the present moment without judgment, is a well-established tool for boosting happiness and mental well-being. Studies show it helps manage stress, increase empathy, and cultivate positive emotions.

The practice can be especially powerful when focused on kindness. ”The best kind of meditation practice for our well-being is ‘loving-kindness meditation,’ in which we send messages in our mind that others be safe, be well, and be at peace,” says Lianov. Research shows it strengthens compassion, positive emotions, and social connection — all drivers of long-term happiness.

If you’re new to mindfulness, spend a few minutes each day sitting quietly and focusing on your breath, or repeat a simple phrase of goodwill toward yourself and others. Guided meditations or mindfulness apps can help structure your practice. The goal isn’t to stop your thoughts but to gently bring attention back to the present — a skill that becomes easier and more rewarding with time.

The Takeaway

  • Happiness grows from everyday habits — such as social relationships, gratitude, kindness, and purpose — which also support physical health by lowering stress hormones and inflammation.
  • Small moments matter. A short walk, a kind gesture, or a few mindful breaths can trigger the brain’s feel-good chemicals and lift your mood.
  • Mindfulness and loving-kindness meditation are well-studied tools that reduce stress and increase compassion, with their benefits becoming more pronounced with regular practice.
  • Investing in relationships, movement, and meaning can strengthen both emotional and physical well-being.
EDITORIAL SOURCES
Everyday Health follows strict sourcing guidelines to ensure the accuracy of its content, outlined in our editorial policy. We use only trustworthy sources, including peer-reviewed studies, board-certified medical experts, patients with lived experience, and information from top institutions.
Resources
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  3. Holt‐Lunstad J. Social Connection as a Critical Factor for Mental and Physical Health: Evidence, Trends, Challenges, and Future Implications. World Psychiatry. September 16, 2024.
  4. Delgado M et al. Characterizing the Mechanisms of Social Connection. Neuron. December 20, 2024.
  5. Diniz G et al. The Effects of Gratitude Interventions: A Systematic Review and Meta-Analysis. Einstein (Sao Paulo). July 31, 2023.
  6. Practicing Gratitude. National Institutes of Health. March 2019.
  7. Fryburg D. Kindness as a Stress Reduction-Health Promotion Intervention: A Review of the Psychobiology of Caring. American Journal of Lifestyle Medicine. January 29, 2021.
  8. Houssain M et al. The Impact of Exercise on Depression: How Moving Makes Your Brain and Body Feel Better. Physical Activity and Nutrition. June 30, 2024.
  9. Adult Activity: An Overview. Centers for Disease Control and Prevention. December 20, 2023.
  10. Wilson K et al. Savor the Moment: Willful Increase in Positive Emotion and the Persistence of This Effect Over Time. Psychophysiology. March 1, 2022.
  11. Russo-Netzer P et al. Activating Values Intervention: An Integrative Pathway to Well-Being. Frontiers in Psychology. April 2, 2024.
  12. Allen J et al. Mindfulness-Based Positive Psychology Interventions: A Systematic Review. BMC Psychology. August 6, 2021.
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  14. Mindfulness for Your Health. National Institutes of Health. June 2021.

Kelsey M. Latimer, PhD, RN

Medical Reviewer

Kelsey M. Latimer, PhD, RN, is a psychologist, nurse, and certified eating disorder specialist, and is the founder and owner of KML Psychological Services.

Dr. Latimer earned her PhD and master's degree from the University of North Texas, with an emphasis in child and adolescent development and in neuropsychology. Throughout her doctoral training, she became passionate about the prevention and treatment of eating disorders, women's issues, trauma treatment, and anxiety management. She has since overseen several nationally recognized eating disorder treatment programs.

She recently earned a bachelor's in nursing from Florida Atlantic University and is in the process of completing a master's of nursing, with a psychiatric mental health focus, which will allow her to become a medication provider. In addition, she has been accepted into an intensive research training and certification program at Harvard Medical School for 2024.

Latimer's focus is on empowering people to be informed and aware of their health and well-being, which includes increasing access to care. She has made over 50 invited appearances to speak about topics such as body image, dieting downfalls, eating disorder evidence-based treatment, college student functioning, and working with the millennial generation. She has been featured in dozens of media outlets and is a coauthor of the children's book series Poofas, which helps children understand their emotions and develop positive self-esteem and self-talk.

Kathleen Ferraro

Author

Kathleen Ferraro is a writer and content strategist with a master’s degree in journalism from Northwestern University’s Medill School and nearly a decade of experience in health, wellness, and science storytelling across editorial, creative, and marketing roles. She specializes in mental health, sleep, and women's health content, blending evidence-based health reporting with person-first storytelling. She has served as a health editor at Livestrong.com and currently works as a freelance content strategist for health brands including Peloton, Everyday Health, and Verywell Health.