There's a direct link between gratitude and the brain producing dopamine and serotonin, two feel-good chemicals, according to a clinical psychologist. Read more here  

Feeling gratitude and expressing your appreciation is one of the simplest ways to bring greater joy, love and optimism into your life – read more here  

A study found that expressing gratitude led high school students to feel more indebted to the people who helped them—which then increased their motivation, competence, and confidence towards self-improvement. Read more here  

Study after study has proven that gratitude is good for our mental and physical health. Here’s a few examples to check out:

Research shows that grateful people who see gratitude as a permanent personality trait instead of a transient state of mind tend to look after themselves better than those who don’t. They are likely to engage in more preventative health activities such as exercising...

In a fun study from 2015, researchers found that gratitude causes individuals to prefer sweeter foods! According to researchers, this is because they the experience leading to gratitude makes people infer that they must be deserving of sweetness. Read more on this and...

If you want to expand your social circle, try saying these two words: Thank you. In a 2015 study published in the journal Emotion, thanking a new acquaintance makes them more likely to seek an ongoing relationship. Read more here