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The Science of Feeling Good

When we talk about cravings—whether for alcohol, sugar, or anything else—we're really talking about the brain's reward system. This complex network of neural pathways is designed to motivate us to repeat behaviors essential for survival, like eating and socializing. It works by releasing a neurotransmitter called dopamine, which makes us feel pleasure and reinforces the desire to do that activity again.

"The reward system is not about happiness, it's about the anticipation of happiness. It's the promise of a reward that drives our behavior."

However, substances like alcohol can hijack this system. They flood the brain with an unnatural amount of dopamine, creating a powerful sense of pleasure that the brain is hardwired to seek out again and again. Over time, the brain adapts by reducing its natural dopamine production and decreasing the number of dopamine receptors. This is why it can be so challenging to cut back on drinking—your brain's reward circuitry has literally been rewired to depend on alcohol for a sense of pleasure and reward.

Movement as Medicine: Rewiring Your Brain

This is where exercise comes in. Physical activity is a natural way to stimulate the reward system, and research shows that it can be a powerful tool for rewiring the brain and reducing cravings. A 2018 study published in Physiology & Behavior found that even a single session of exercise can increase motivation for rewards, particularly in individuals who exercise regularly [1].

So, how does it work? When you exercise, your brain releases a cocktail of "feel-good" chemicals, including dopamine, serotonin, and endorphins. This provides a natural mood boost and a sense of well-being. But the benefits go much deeper than a temporary "runner's high."

As Kelly McGonigal, a health psychologist and lecturer at Stanford University, explains, "Over time, regular exercise remodels the reward system, leading to higher circulating levels of dopamine and more available dopamine receptors" [2]. This means that with consistent exercise, your brain becomes more sensitive to natural sources of pleasure, and you no longer need to rely on alcohol to feel good.

"Exercise can both relieve depression and expand your capacity for joy." - Kelly McGonigal

From Cravings to Calm: The Immediate Effects of Exercise

Beyond the long-term changes to your brain's reward system, exercise can also have an immediate impact on cravings. A 2021 study in Addictive Behaviors found that a short exercise circuit significantly reduced alcohol cravings in university students, while also improving their mood and reducing anxiety [3].

This suggests that when a craving strikes, one of the best things you can do is move your body. Even a brisk 15-minute walk can be enough to shift your focus, reduce the intensity of the craving, and remind your brain that it can feel good without alcohol.

Practical Steps to Get Started

If you're new to exercise, the key is to start small and find activities you genuinely enjoy. You don't need to run a marathon to reap the benefits. Here are a few ideas:

Start with walking: Aim for a 15-20 minute walk each day. You can listen to a podcast, call a friend, or simply enjoy the sights and sounds around you.
Try a new class: Explore different types of movement, like yoga, dancing, or a team sport. The social aspect of a class can be a powerful motivator.
Find your "why": Connect your exercise routine to a deeper sense of purpose. Are you exercising to have more energy for your kids? To feel more confident and empowered? To support your mental health? Reminding yourself of your "why" can help you stay motivated on days when you don't feel like moving.

For those looking to explore the connection between mindset and well-being further, the resources at InnerShift Wellness offer a wealth of information on personal transformation and building a life you love.

A Path to Lasting Change

Reducing your alcohol intake is a journey, and it's important to be patient and compassionate with yourself along the way. By incorporating regular movement into your life, you're not just distracting yourself from cravings—you're fundamentally rewiring your brain for health, happiness, and lasting change. You're teaching your brain that it can find pleasure and reward in activities that nourish your body and soul.

References

[1] Wardle, M. C., Lopez-Gamundi, P., & LaVoy, E. C. (2018). Effects of an acute bout of physical exercise on reward functioning in healthy adults. Physiology & Behavior, 194, 552-559.

[2] McGonigal, K. (2020, January 6). Five surprising ways exercise changes your brain. Greater Good Magazine. Retrieved from https://greatergood.berkeley.edu/article/item/five_surprising_ways_exercise_changes_your_brain