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Neuroscience reveals how the brain's basal ganglia shape our habits, offering clues on reshaping behaviors for improved mental health and wellbeing.
In our daily lives, habits play a crucial role in shaping our behaviors, both good and bad. From brushing our teeth to checking social media, these automatic actions can either support our well-being or undermine it. The science behind how our brains form habits is fascinating and offers valuable insights into how we can take control of our routines for better mental health.
Habits are formed through a process known as "habituation," which involves the brain's basal ganglia, a group of structures linked to various functions including motor control, cognition, and emotion. When you repeat an action over time, your brain starts to create neural pathways that make this behavior easier and more automatic.
Imagine building a path in a grassy field. The first few times you walk through the field, it's difficult because the grass is tall and unyielding. However, as you continue to walk the same route day after day, a clear path forms, making your journey smoother and faster. This is similar to how neural pathways form in your brain when you repeat a behavior.
At the heart of habit formation is the "habit loop," a three-step process that includes:
For example, a common habit loop might involve feeling stressed (cue), reaching for a snack (routine), and experiencing temporary relief (reward). Over time, this loop becomes deeply ingrained, making it harder to break the habit even when you know it's not good for you.
The good news is that understanding how habits form can empower you to take control of your behaviors. Here are some strategies to help you create positive habits and break negative ones:

Identify Cues and Rewards: The first step in changing a habit is recognizing the cues and rewards that drive it. Keep a journal to track when and why you engage in certain behaviors.
Substitute Routines: Once you understand your cues and rewards, try substituting a healthier routine for the one you want to change. For instance, if stress triggers snacking, find an alternative like going for a walk or practicing deep breathing exercises.
Set Specific Goals: Vague goals are hard to achieve. Instead of saying "I want to be healthier," set specific, achievable goals like "I will drink eight glasses of water each day."
Create a Supportive Environment: Your environment can either support or sabotage your habits. Make it easier to follow through on your new routines by removing obstacles and adding helpful cues. For example, keep healthy snacks within reach and remove junk food from your kitchen.
Be Patient and Persistent: Habits take time to form, often around 66 days on average. Don't get discouraged if you don't see immediate results. Stay committed and consistent.
Developing healthy habits can have far-reaching benefits for your mental health and overall well-being. Regular exercise, a balanced diet, adequate sleep, and mindfulness practices can reduce stress, improve mood, and enhance cognitive function. Conversely, breaking negative habits like smoking, excessive screen time, or poor dietary choices can significantly lower the risk of chronic diseases.
Understanding how our brains form habits is the first step toward taking control of our behaviors. By recognizing cues, substituting routines, setting specific goals, creating a supportive environment, and being patient, we can cultivate healthier habits that support our mental health and enhance our quality of life.
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About the author
Amara's entry point into AI was an epidemiology role at a London research hospital, where she spent five years studying how digital health tools reached — or conspicuously failed to reach — underserved communities. Watching early algorithmic systems in healthcare quietly entrench existing inequalities, she redirected her career toward the systemic consequences of AI at scale. She covers AI through an unflinching lens: who benefits, who bears the cost, and what evidence actually says versus what the press release claims. Her writing is calm and precise, but she doesn't mistake balance for neutrality.
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29 April 2026
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