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Journal #7. Ten Fun Facts About Our Amazing Brain

10 things worth knowing about your brain

Your brain is involved in every thought, movement, memory, emotion and decision you make. It helps you navigate complex workdays, connect with people, learn new skills, recover during sleep and respond to the world around you.

It is also remarkably energy-intensive. Although the brain makes up only around 2% of body weight, it uses roughly 20% of the body’s energy at rest.

Here are ten useful facts that help explain why supporting cognitive performance matters.

1. Your brain is built from an extraordinary network

The human brain contains around 86 billion neurons. These cells communicate through vast networks of connections that support learning, memory, movement, emotion and attention.

2. It is always working

Your brain does not switch off when you sleep. During sleep, it continues processing information, consolidating memories and supporting recovery for the day ahead.

3. Learning changes the brain

The brain can adapt throughout life. This ability, known as neuroplasticity, allows it to form and strengthen connections as you learn, practise and experience new things.

4. Sleep is a performance tool

A consistent sleep routine supports concentration, memory, mood and mental energy. When sleep is disrupted, many people notice the effects quickly: slower thinking, lower patience and reduced focus.

5. Movement supports the brain too

Regular physical activity supports circulation, mood and cognitive function. It does not need to be extreme; walking, strength training, cycling or any movement you enjoy can contribute.

6. Your brain uses a lot of energy

Because the brain is constantly processing information, mental fatigue is real. Long periods of concentration, decision-making, stress and screen time can all leave you feeling mentally depleted.

7. Multitasking has limits

The brain can manage many automatic processes at once, such as walking while talking. But when two tasks both require focused attention, performance often drops as the brain switches rapidly between them.

8. Every brain is shaped by experience

No two brains are exactly alike. Your experiences, habits, learning, relationships and environment all influence the neural pathways that develop over time.

9. Connection matters

Meaningful social connection is not just good for mood. It can also support cognitive and emotional wellbeing, particularly during demanding or stressful periods.

10. Small habits add up

Cognitive performance is shaped by what you do consistently: how you sleep, move, eat, manage stress, challenge your mind and make time to recover.

Support your cognitive performance

Your brain does not need perfection. It needs consistent support.

A regular sleep routine, movement, nutritious food, learning, time outdoors and connection with others can all help create the conditions for clearer thinking, steadier energy and greater resilience.

For people looking for additional support, Brain Health was developed by Natural Medicine Neuroscientist Megan Wilks and has been trusted by practitioners since 2015. Its botanical formulation is designed to support cognitive function, mental clarity, healthy mood balance and everyday brain resilience.

At The Vitalogy Project, we believe your brain is one of your most important assets. Looking after it is not only about the future; it is about helping you think, feel and perform at your best today.

👉 Learn more about Brain Health.



Megan Wilks, founder of The Vitalogy Project, creating natural brain health supplements for cognitive wellness.

The Founder

Meet the Author

Megan Wilks MSc

Founder | Applied Neuroscientist

Megan Wilks is the Founder of The Vitalogy Project and holds a Master's degree in Applied Neuroscience from King's College London.

After overcoming her own experience with depression, Megan became passionate about understanding the science behind brain health and how nutrition and lifestyle influence the way we think, feel and perform every day.

Today, she combines neuroscience with evidence-based botanical ingredients to help people take a proactive approach to supporting their brains—not simply to reduce the risk of cognitive decline in later life, but to help them perform at their best every day.

The Vitalogy Lab

Not sure what your brain needs?

Start with a FREE 15-minute Brain Health Check-In with Megan.


A relaxed one-to-one conversation about how your brain is feeling, what may be affecting it, and some practical next steps.


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The Brain Reset System

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Our complete Morning • Day • Night brain health routine, combining Brain Health, Calm & Relax and Sleep Health in one simple daily system.

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About Us

The Vitalogy Project

At The Vitalogy Project, we believe understanding your brain is the first step towards changing your life. Through evidence-based education, expert guidance and scientifically formulated products, we help people overcome stress, brain fog and poor sleep so they can live with greater vitality, clarity and freedom.