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Journal #9. Anxiety, stress and brain health

Anxiety, stress and brain health

Anxiety is a common experience, but it can look and feel very different from person to person. For some, it is persistent worry or racing thoughts. For others, it may show up physically: tension, poor sleep, restlessness, a tight chest, digestive changes or difficulty concentrating.

Occasional anxiety is part of being human. It can help us recognise risk, prepare for an important event or respond to a challenging situation. But when anxiety becomes persistent, intense or starts affecting everyday life, it deserves proper attention and support.

The brain, stress and inflammation

Researchers are continuing to explore the relationship between anxiety, stress, the immune system and inflammatory processes in the body.

Inflammation is a normal part of the body’s protective response to illness or injury. The brain and immune system also communicate closely, and prolonged stress can affect both systems. Some studies have found associations between anxiety disorders and markers of inflammation, but this is an evolving area of research.

It is important not to oversimplify that relationship. Anxiety does not have one single cause, and inflammation is not a diagnosis for anxiety. Genetics, life experiences, trauma, sleep, physical health, hormones, substance use, social circumstances and stress can all play a role.

What we do know is that prolonged stress can affect how the brain and body function. It can make it harder to sleep, concentrate, regulate emotions and recover between demanding periods.

Supporting your nervous system and cognitive performance

There is no one-size-fits-all solution for anxiety. The right support depends on the person and their circumstances.

For many people, a foundation of regular sleep, movement, nutritious food, reduced alcohol intake, time outdoors and meaningful connection can help support overall mental wellbeing. Mindfulness, breathing practices, yoga or other relaxation techniques may also be useful tools for managing stress.

These habits are not a replacement for clinical care. They can be part of a broader plan that includes support from a GP, psychologist, counsellor or other qualified health professional.

If anxiety is persistent, worsening or interfering with work, relationships, sleep or daily activities, speaking with a health professional is an important next step. If you feel at immediate risk of harming yourself or unable to stay safe, contact emergency services or a local crisis service straight away.

Support your cognitive performance

The habits you practise every day have the biggest influence on how your brain performs.

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.

Brain Health is not intended to diagnose, treat or replace professional care for anxiety or any other mental-health condition. It can sit alongside the everyday habits that support a healthier, more resilient brain.



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.

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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.