Happiness and The Chocolate Factory: How does Chocolate make us feel so good?

Hayden Lim Khai Eun
Science For Life
Published in
6 min readJan 19, 2024
Come with me, and you will be, in a world of pure imagination…

1. Introduction to the Relationship Between Chocolate and Happiness

The Historical Connection: Chocolate’s Long Association with Pleasure

From the ancient Mayans and Aztecs to modern-day chocolate lovers, there’s no denying the long-standing love affair between chocolate and pleasure. Throughout history, chocolate has been cherished as a decadent treat, often associated with celebrations, romance, and indulgence. Its rich and creamy texture, combined with its unique flavour, has made it a go-to comfort food for people of all ages.

Ask anyone who loves chocolate, and they’ll likely have a story to share about how it brightens their mood. Whether it’s a bad day at work, a breakup, or simply a craving for something sweet, many people turn to chocolate as a source of comfort and solace. The joy that comes from biting into a velvety piece of chocolate is often described as a momentary escape from the stresses of everyday life.

Grab your golden ticket, leave your worries at the door, and let’s dive into the world where happiness and chocolate go hand-in-hand, just like Willy Wonka and his everlasting gobstoppers — only much tastier.

2. The Biochemistry of Chocolate: Key Components and Effects on the Brain

Cocoa Beans: The Source of Chocolate’s Bioactive Compounds

Behind the deliciousness of chocolate lies a complex blend of bioactive compounds derived from cocoa beans. These beans are the foundation of chocolate’s composition and are packed with substances like flavonoids, caffeine, and theobromine. It’s these compounds that contribute to the unique taste and potential mood-altering effects of chocolate.

The Role of Cocoa Solids and Cocoa Butter in Chocolate’s Composition

To create the chocolate we all know and love, cocoa beans undergo a meticulous process that involves roasting, grinding, and refining. This process separates the cocoa solids from the cocoa butter, which are then recombined in varying proportions to create different types of chocolate. The cocoa solids contain the majority of the bioactive substances, while cocoa butter contributes to the smooth texture of chocolate.

Chocolate, with its rich and indulgent flavors, has universal appeal, serving as a delightful treat enjoyed by people across diverse cultures and age groups. (Sorry if the picture makes you crave for chocolate)

3. The Mood-Enhancing Effects of Chocolate

The Role of Dopamine in Pleasure and Reward Pathways

Dopamine is often referred to as the brain’s “pleasure chemical” due to its role in reward pathways. When we consume chocolate, dopamine levels in the brain increase, triggering a sense of pleasure and reinforcing the desire to consume more. This explains why chocolate can be so addictive for some individuals.

Chocolate’s Influence on Serotonin: A Mood-Regulating Neurotransmitter

Serotonin is another neurotransmitter that plays a crucial role in regulating mood and well-being. Chocolate contains certain compounds that can increase serotonin levels, contributing to a sense of calmness and happiness. Some studies suggest that the release of serotonin may help alleviate symptoms of depression and improve overall mood.

Endorphins: Chocolate’s Potential to Trigger Natural Painkillers

Chocolate has long been associated with feelings of happiness and pleasure, and part of the reason behind this lies in its ability to trigger the release of endorphins. Endorphins are natural chemicals produced by the body that act as painkillers and mood enhancers. When we consume chocolate, it can stimulate the release of endorphins, leading to a sense of well-being and even a temporary reduction in pain. So, the next time you reach for that chocolate bar, know that you’re not just satisfying your sweet tooth, you’re also giving yourself a potential natural mood boost!

Phenylethylamine: Understanding its Role in Chocolate’s Mood-Boosting Effects

Another compound found in chocolate that contributes to its mood-enhancing effects is phenylethylamine (PEA). PEA is a naturally occurring substance that acts as a neurotransmitter in the brain. It is known to promote feelings of pleasure, improve focus, and elevate mood. When we consume chocolate, the PEA content interacts with our brain’s receptors, potentially increasing the release of dopamine, which is often referred to as the “feel-good” neurotransmitter. So, indulging in that chocolate treat may not only taste delicious but also help lift your spirits and enhance your overall well-being.

Chocolate is often associated with happiness, contributing to a sense of pleasure and contentment when consumed in moderation.

4. The Role of Flavonoids and Antioxidants in Chocolate’s Mood-Boosting Properties

Flavonoids: Chocolate’s Potential Antioxidant Powerhouse

Did you know that chocolate, particularly dark chocolate, is packed with flavonoids? Flavonoids are a type of antioxidant found in many plant-based foods, and they have been linked to a variety of health benefits, including mood enhancement. Dark chocolate, in particular, contains a higher concentration of flavonoids compared to milk chocolate. These powerful antioxidants help protect the body’s cells from damage caused by harmful free radicals, promoting overall health and well-being.

Flavonoids’ Impact on Mood and Cognitive Function

The flavonoids found in chocolate may go beyond their antioxidant properties and have a direct impact on our mood and cognitive function. Research suggests that these compounds can improve blood flow to the brain, potentially enhancing cognitive performance and overall brain health. Additionally, flavonoids have been found to have anti-inflammatory effects, which can positively impact mood by reducing inflammation in the body.

5. Chocolate and Stress: Examining the Impact on Cortisol Levels

The Relationship Between Chocolate Consumption and Stress Reduction

We often turn to chocolate as a comforting treat in times of stress, and there may be a scientific reason behind this. Consuming chocolate has been associated with reduced stress levels and improved mood. One study even found that individuals who consumed dark chocolate experienced a lower level of stress hormone (cortisol) in their bodies compared to those who didn’t consume chocolate. While more research is needed to understand the exact mechanisms at play, it’s clear that chocolate has the potential to provide stress relief and help us unwind.

Cortisol: Understanding its Role in the Stress Response and Chocolate’s Influence

When we experience stress, cortisol is released by the body as part of the natural stress response. While cortisol is essential for regulating various bodily functions, chronically high levels of cortisol can have negative effects on our physical and mental well-being. Some studies suggest that consuming chocolate, particularly dark chocolate, may help reduce cortisol levels, leading to a more relaxed state. So, the next time you’re feeling stressed or overwhelmed, treating yourself to a bit of chocolate may just be the sweet solution you need to lower those cortisol levels and find some peace of mind.

6. Afterword: A chocolate a day keeps the mental health issues away

To sum it up, the biochemistry behind chocolate’s potential mood-enhancing effects is fascinating. From stimulating the release of endorphins and phenylethylamine to the presence of flavonoids and their impact on mood and cognitive function, chocolate seems to have an arsenal of biochemical compounds that can positively influence our well-being. Additionally, the potential reduction of stress hormone levels, such as cortisol, when consuming chocolate further supports its reputation as a comforting treat. While chocolate may not be a cure-all for happiness, it can certainly bring a moment of joy and provide a temporary mood boost. As the saying goes, a chocolate a day keeps the mental health issues away (but don’t eat too much).

Contrary to popular beliefs, chocolate, when eating in moderation, can be healthy. It is literally a Golden Ticket to a better and more enjoyable life. Just ask Charlie.

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Hayden Lim Khai Eun
Science For Life

I am Hayden, a high school student from Singapore. The articles I write are mostly science-based, although you may see some exceptions. It's my blog after all.