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Top 5 Most Prevalent Mental Health Disorders

The number of people experiencing mental illness across the globe continues to grow, while there is still a lack of awareness about the most common mental disorders in the world.

Mental health disorders are usually characterized by what a patient experiences in his/ her mind, but in some cases, it may also involve physical symptoms. The exact causes of the illness are yet to be discovered by the researchers. However, there are several symptoms that has been understood by the scientists, that have helped them in differentiating different mental conditions, based on which a patient’s treatment plan is created.

We have created a list of most prevalent mental disorders below to give readers a high-level overview of these conditions and their treatments.

Note: The information given in this blog is meant to guide and educate readers about frequently occurring mental health conditions and there treatments, but it does over power a professional opinion. Patients afflicted with any of the following conditions should consult a mental healthcare doctor.


Impacting over 300 million people, depression is the most common mental condition that afflicts mankind today. Studies reflect that women are more prone to get depression than men.

The condition is characterized by general sadness, loss of interest, feelings of guilt, low self-worth, eating pattern changes, difficulty falling asleep, lack of concentration and a constant feeling of exhaustion. Depression doesn’t merely arise because of the result of an increase or decrease in the brain chemicals, particularly serotonin, as most people believe. Rather, several forces including life events, genetics, medications, and medical problems can increase a person’s risk of experiencing this condition

Because depression is a type of condition which can be present as a long-lasting illness or as a recurring condition, it severely interferes with an individual’s ability to function at school or work, preventing them from leading a normal life, leaving a negative impact on their relationships.

During its severe state, a patient afflicted with depression can act or have suicidal thoughts. Cognitive behaviour therapy, antidepressant medication and psychotherapy are effective treatments of depression.


It is very common amongst patients with depression to experience anxiety (and vice versa). An anxiety disorder affects more than 40 million adults in the United States alone. More than 35% of people on the planet have anxiety.

Anxiety disorder can develop from a variety of factors, like brain chemistry, genetics, and life events. Despite being a highly treatable condition, only 36.9 per cent of people suffering from anxiety actually seek out medical assistance and access it.

Psychotherapy and medications are a crucial part of anxiety treatment; they are highly effective in controlling the symptoms induced because of the condition.

Bipolar Affective Disorder

Engendering both depressive and manic episodes, sometimes book-ended, restless, and sometimes featuring flashes of “normal” or stabilized mood, Bipolar Affective Disorder impacts approximately 60 million people worldwide.

Manic episodes may include irritable or elevated mood, inflated self-esteem, difficulty sleeping, and hyperactivity. A hypomania is a mild form of mania. Depressive episodes may be characterized by little energy, feelings of extreme sadness, trouble sleeping, and hopelessness.

While the exact cause of the bipolar disorder is unclear, a mixture of environmental factors, genetics and neurochemical can play a part in the development of the condition, that can be managed or treated using psychosocial support and medication.

Schizophrenia & Other Psychoses

Psychoses is a type of mental disorder which is characterized by a patient’s disconnection from reality. Schizophrenia is a type of Psychosis disorder.

Psychoses is a very dangerous mental illness that impacts more than 23 million people worldwide. It is detected and determined by distortions in perception, thinking, emotions, behaviour, and sense of self.

Patients with these illnesses may experience delusions and hallucinations starting during their late adolescence or in their early adulthood, making it a challenge for them to study, work, or interact socially. Due to social stigma and discrimination, most people who experience symptoms of these mental illnesses hesitate from accessing adequate social and health support. Early detection and treatment can help patients recover from the illness.


Dementia is generally chronic and progressive in nature. It entails deterioration of cognitive functions beyond normal ageing and impacts around 50 million people across the globe. From memory, thinking and orientation, to comprehension, language, and calculation, the decline in the cognitive functions is usually met with deterioration of social and emotional control.

Dementia is generally caused because of a variety of diseases that negatively affect the brain. Currently, there is no cure for Dementia, but there are several palliative treatments that are designed for easing the confusion and suffering of the patients.


Mental health illnesses have become a global issue that touches all nations and nearly every person in one way or another. And this blog just includes a few of the most common mental illnesses.

While all situations are unique, there are prevention, treatment and recovery options for helping individuals achieve strength & support. Taking the time for recognizing the symptoms and receiving an accurate diagnosis can be helpful in determining the most appropriate treatment — be it psychotherapy or pharmaceutical intervention. Patients should ensure that they receive treatment facilities from a licensed and experienced therapist to get desired results.

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