Mental Illness vs. Mental Disorder: Understanding Key Differences

Mental Illness vs. Mental Disorder - understanding the key differences may influence treatment. (Image via Freepik/ Freepik)
Mental Illness vs. Mental Disorder - Understanding the key differences may influence treatment. (Image via Freepik/ Freepik)

Mental illness vs. mental disorder is a distinction that has been frequently questioned by many. Most of us use them interchangeably, but in many ways they are unique from each other.

The state of someone's health includes both their bodily and emotional well-being. Even if someone appears to be in good health on the outside, there could still be unresolved issues troubling them on the inside that deeply impact their emotions and way of thinking. Mental illness vs. mental disorder is frequently questioned when it comes to mental health, and there are some significant distinctions between the two.

Let's dive in to understand mental illness vs. mental disorder and how it informs the treatment process.

Individuals with Mental Illness vs. Mental Disorder individuals are likely to receive the same therapy. (Image via Freepik/ Freepik)
Individuals with Mental Illness vs. Mental Disorder individuals are likely to receive the same therapy. (Image via Freepik/ Freepik)

Definitions of Mental Illness vs. Mental Disorder

While clients may not see Mental Illness vs. Mental Disorder as being important, it is important for clinicians to be aware. (Image via Freepik/ Freepik)
While clients may not see Mental Illness vs. Mental Disorder as being important, it is important for clinicians to be aware. (Image via Freepik/ Freepik)

It is important to start with an explanation of the words before diving into different categories of mental illness and disorders. A mental disorder is defined as a disturbance of the typical physical or mental health of the mind by the American Heritage Stedman's Medical Dictionary.

The phrase mental illness is archaic and refers to earlier notions of mental health. In past studies, it was thought that mental health problems solely affected the mind. Today, however, the medical community is aware that mental disorders also influence the body, the brain, and the person's general functioning.

Currently, the term mental disorder is more commonly used to refer to someone's mental health. A variety of health conditions that impact your mood, thinking, and behavior are referred to as mental disorders. One in four people in the US is thought to be diagnosed with a mental disorder each year. They can alter how you behave among other people in addition to how you think and feel.

While mental illness vs mental disorder may be used interchangeably, mental health remains ubiquitous. (Image via Pexels/ Leeloo)
While mental illness vs mental disorder may be used interchangeably, mental health remains ubiquitous. (Image via Pexels/ Leeloo)

Although many people occasionally encounter mental health issues, people should get help when persistent symptoms start to frequently stress them out and impair their ability to operate.

Anxiety, bipolar disorder, schizophrenia, depression, eating disorders, post-traumatic stress disorder (PTSD), psychosis, prenatal depression, and addictive behaviors are a few examples of mental disorders. A legal classification may meet the criteria for having a mental disorder.


Elements of Mental Health

By understanding mental illness vs. mental disorder, those wishing to enhance their mental health can do a few things. Positive mental health can be maintained by a variety of external sources. Try some of these strategies if you're looking for ways to improve your mental health:

1) Get Moving

The benefits of exercise extend to both physical and mental health. Your mental health, sense of self, and cognitive abilities may all be enhanced. It promotes restful sleep, reduces stress, and sharpens your mind. Improvements can be attained with as little as 30 minutes of walking three times per week.


2) Eat Healthy

Eating healthy is important for your mental health. (Image via Pexels/ Anna)
Eating healthy is important for your mental health. (Image via Pexels/ Anna)

You can think more clearly and be more awake with the aid of a balanced diet. This results in improved decision-making abilities, quicker reaction times, and less weariness. Increase your consumption of fruits, vegetables, whole grains, and seafood. Limit your intake of dairy, meat, and processed meals. Learn about how diet affects mental health.


3) Use Relaxing Methods

Use relaxation methods if you need to regulate your stress levels. Deep breathing, yoga, and meditation can make you feel more at ease and help you respond better to stressful situations.


4) Consult A Counselor

A person with a disorder is likely to be seen as a client and a person with a mental illness is likely to be seen as a patient. (Image via Pexels/ Shvets)
A person with a disorder is likely to be seen as a client and a person with a mental illness is likely to be seen as a patient. (Image via Pexels/ Shvets)

Above all, getting counseling from a professional can assist anyone's mental health. To gain from these services, you don't always need to have a documented mental disorder. A qualified counselor will assist you in discussing your concerns and will provide advice on how to support sound mental health.


It can be stressful to understand mental illness vs. mental disorder, and it can be difficult to admit that you might have any one of them. Deciding to seek assistance and support can alter your life if you have ever struggled with major mood swings, periods of depression, anxiety, or issues with alcohol or drug use.

Making healthy lifestyle changes and seeking a sense of purpose in life might help a person's mental health. Over their lifetime, a person's mental health might change depending on environmental variables as well. No one can achieve good mental health if they have a mental disorder or illness.

Anybody can improve their mental health with the right assistance. While understanding key differences in mental illness vs. mental disorder is important, seeking treatment is essential.


Janvi Kapur is a counselor with a Master's degree in applied psychology with a specialization in clinical psychology.


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Edited by Susrita Das
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