The Science of Happiness | Dopamine, Serotonin, Oxytocin & More Explained
< 1 min read | Jan 19, 2025
Do you constantly check your phone to see if you’ve received messages or who has liked your latest Insta reel?
Does your phone distract you from your studies or work?
Do your friends, parents, children, or spouse complain that you are not giving them enough attention because of your phone?
Research conclude that on an average we check our phone over 100 times a day.
No wonder humans now have an attention span shorter than that of a goldfish, which is just 7 seconds.
Here’s the thing: to manifest success in our lives, the most essential skill we need is focus. The ability to concentrate on a single task for extended periods of time.
But unfortunately, we’re constantly bombarded with external stimuli every waking minute.
Our ‘monkey mind’ struggles to stay on one thought. It jumps from one branch to another, seeking short-term pleasure, that fleeting ‘high’ that disappears almost as soon as we experience it.
To chase that elusive feeling, we repeat the same behavior again and again, until it becomes an addiction.
And there’s one neurotransmitter largely responsible for this cycle.
You guessed it: dopamine
I’ll be discussing seven feel-good neurotransmitters and hormones, chemicals that motivate us to seek pleasure and feel good.
While they are essential for our well-being, when misused, they can lead to addictive behaviors and, over time, contribute to a range of issues, from drug abuse and risky behavior to bipolar conditions and more.
Let’s kick things off with dopamine
Dopamine
Dopamine is best known for its role in the brain’s reward system. It is released when we experience something pleasurable, such as eating your favorite food, listening to music, or receiving praise.
Positive social interactions also trigger dopamine release. This neurotransmitter reinforces behavior, motivating us to repeat actions that bring satisfaction.
Dopamine is vital for motivation, driving us to pursue rewards or desired outcomes.
While serotonin is more closely linked to happiness, dopamine creates feelings of excitement, anticipation, and accomplishment.
In today’s fast-paced world, many of us are constantly chasing that ‘high’ or pleasurable feeling, overstimulating our brain’s reward system in the process.
Over time, this can lead to addictive behaviors and damage to dopamine receptors. When left unchecked, this imbalance may result in:
*Lack of motivation
*Fatigue and low energy
*Mood disorders like depression
*Poor focus and attention (linked to ADHD)
Serotonin
Serotonin often referred to as the ‘happiness’ neurotransmitter, serotonin helps stabilize mood and provides emotional well-being.
The key difference between dopamine and serotonin is their focus: dopamine drives short-term pleasure, while serotonin fosters long-term emotional balance and happiness.
Interestingly, over 95% of serotonin is produced in your gut, highlighting the critical connection between gut health and mental well-being.
Beyond mood regulation, serotonin plays essential roles in learning, memory, and decision-making.
It’s also a precursor to melatonin, the sleep hormone that regulates your sleep-wake cycle.
Balanced serotonin levels contribute to happiness, calmness, and emotional resilience.
On the flip side
Low serotonin levels can lead to:
*Depression and anxiety
*Insomnia or difficulty sleeping
*Irritability and mood swings
*Cravings for sugary foods
To optimize serotonin levels, focusing on gut health through proper nutrition and cleansing is key.
Endorphins
Endorphins are the body’s natural painkillers. If you’ve ever felt euphoric after a workout, that’s the result of endorphins flooding your system.
Aerobic exercises, like running, release the most endorphins, contributing to the well-known ‘runner’s high.’
These powerful neurotransmitters bind to opioid receptors, blocking pain signals and reducing the sensation of physical discomfort.
Oxytocin
Now, we can’t forget oxytocin, often called the ‘love hormone’ or ‘bonding hormone.’
Oxytocin is a peptide hormone and neurotransmitter that plays a crucial role in emotional bonding, social connection, and reproductive health. For instance:
*During labor, oxytocin stimulates uterine contractions to aid childbirth.
*It strengthens the bond between mother and child immediately after delivery and during breastfeeding.
*Oxytocin is released during physical touch, hugging, and sexual activity, reinforcing intimacy between partners.
*It encourages pro-social behaviors, such as cooperation, generosity, and teamwork.
Low oxytocin levels can result in:
*Chronic stress
*Poor social connections or feelings of isolation
However
Too much oxytocin can sometimes lead to:
*Jealousy or over attachments in relationships
*Excessive trust in individuals who may not have good intentions
Finally, there are other feel-good hormones and neurotransmitters, such as GABA, endocannabinoids, and serotonin, which also contribute to happiness and emotional balance.
Here’s a chart from my course on Nervous System Health, where I delve deeper into these chemicals and provide actionable steps to optimize each one for happiness and long-term health.
Thank You!
Stay healthy, stay fabulous. !
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About Akash Sehrawat
Akash is a creator of 25+ programs and certificate courses in which more than 200,000 students have enrolled both on Udemy and Fabulous Body's native platform. Akash is also an author of three books that can be found on Amazon. His answers on Quora have gathered more than 12 million views in less than a year.
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