What is psychology?

The scientific discipline known as psychology, as defined by the American Psychological Association, investigates behavior and mental functions. It encompasses several subfields such as social behavior, human growth, health sciences, sports, clinical psychology, and cognitive processes within the broad domain of psychology.

Psychology aims to understand what drives human behavior and how this understanding can help tackle various contemporary issues.

As an ever-expanding science and profession, psychology involves carefully observing and studying human thoughts, emotions, motivations, and behaviors, employing scientific principles to draw reliable conclusions.

What are the areas of psychology?

Psychology is a broad and diverse field that encompasses the study of human thought, behaviors, personality, development, emotion, motivation, and more. As a result, some different subfields and speciality areas have emerged.


How does psychology help?

Psychology is a field that serves both people and communities as a whole, and it is both practical and academic. When it comes to the influence of psychology, a major portion of it is dedicated to the diagnosing and treating mental health concerns, but that is only the tip of the iceberg.

Individuals and society benefit from psychology in a variety of ways, including:


As you can see, despite being a relatively new discipline, psychology is remarkably deep and wide. Psychology is primarily concerned with the examination, identification, and mental illness , although it involves far more than mental wellbeing.

Currently, online psychologists are striving to improve the understanding of a variety of facets of the mind and behaviour, both in terms of adding to our knowledge of how we think and finding real world applications which have a significant impact on people s daily lives.



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How to avoid overthinking?

Identify your triggers, challenge negative thoughts using CBT reframing, practise mindfulness, and set a 20-minute daily worry window. If overthinking disrupts sleep, work or relationships for more than two weeks, a CBT-trained psychologist provides the fastest lasting results. Book a session →

🕐 Update & Correction History
10 Apr 2025Article reviewed — added structured worry time strategy; updated cortisol research; expanded effects section; fixed body text formatting
15 Sep 2023Article originally published

References & Sources

  1. Bomyea, J., & Nolen-Hoeksema, S. (2016). A meta-analysis of rumination in depression and anxiety disorders. Clinical Psychological Science, 4(3), 329–351. doi:10.1177/2167702615617342