Happy chemicals are a group of neurotransmitters and hormones that play a role in regulating our emotions, including happiness. Some of the most important happy chemicals include:
- Dopamine: Dopamine is a neurotransmitter that is involved in motivation, reward, and learning. It is released when we do something that we enjoy, such as eating, having sex, or exercising.
- Serotonin: Serotonin is a neurotransmitter that is involved in mood, sleep, appetite, and pain. It is often called the “happy hormone” because it helps to regulate our emotions and make us feel good.
- Oxytocin: Oxytocin is a hormone that is involved in bonding, trust, and love. It is released during social interactions, such as hugging, kissing, and sex.
- Endorphins: Endorphins are hormones that are involved in pain relief and pleasure. They are often called the “body’s natural painkillers.

When these happy chemicals are released in our brains, they can make us feel happy, motivated, and connected to others. There are a number of things that we can do to increase our levels of happy chemicals, such as:
- Exercise: Exercise is a great way to boost our levels of happy chemicals, especially dopamine and endorphins.
- Spend time with loved ones: Spending time with loved ones can help to increase our levels of oxytocin.
- Do things that we enjoy: Doing things that we enjoy can help to increase our levels of dopamine and serotonin.
- Get enough sleep: Getting enough sleep is important for maintaining healthy levels of all of the happy chemicals.
- Eat a healthy diet: Eating a healthy diet can help to support the production of all of the happy chemicals.
- Practice relaxation techniques: Relaxation techniques, such as yoga, meditation, and deep breathing, can help to increase our levels of serotonin and oxytocin.
By doing these things, we can increase our levels of happy chemicals and improve our overall mood and well-being.
Habits of a Happy Brain is a self-help book by Loretta Breuning that was published in 2015. The book argues that happiness is not a fixed state of being, but rather a skill that can be learned and improved upon. Breuning provides a framework for understanding how the brain works and how to use that knowledge to create habits that will boost happiness levels.
The book is divided into four parts:
- Part 1: The Science of Happiness
- Part 2: The Four Happiness Chemicals
- Part 3: Habits for Happiness
- Part 4: The Happy Brain Solution
In Part 1, Breuning discusses the science of happiness, including the role of the brain’s neurotransmitters in regulating mood. She also discusses the importance of positive emotions and how to cultivate them.
In Part 2, Breuning introduces the four happiness chemicals: serotonin, dopamine, oxytocin, and endorphins. She explains how each chemical works and how to increase levels of each chemical in the brain.
In Part 3, Breuning provides a number of habits that can be used to boost happiness levels. These habits include things like exercise, spending time with loved ones, and practicing gratitude.
In Part 4, Breuning provides a summary of the book’s main points and offers a number of resources for further learning.
Habits of a Happy Brain is a well-written and informative book that provides a comprehensive overview of the science of happiness. Breuning’s framework for understanding how the brain works and how to use that knowledge to create habits that will boost happiness levels is both practical and easy to follow. The book is a valuable resource for anyone who is looking to improve their happiness levels.
the key takeaways from the book:
- Happiness is not a fixed state of being, but rather a skill that can be learned and improved upon.
- The brain’s neurotransmitters play a role in regulating mood.
- Positive emotions are important for happiness.
- There are a number of habits that can be used to boost happiness levels.
- It is important to find what works best for you and to be patient with yourself.
If you are looking to improve your happiness levels, I highly recommend reading Habits of a Happy Brain. It is a well-written and informative book that can help you make lasting changes in your life.