How Has The Frequency Of Mental Diseases Changed Over The Course Of History?

Mental diseases have existed for as long as humans have been on this planet, though there have been many changes and shifts in the way we understand them. Though our understanding of mental illnesses have become more refined and scientific, we face a crisis when it comes to increasing mental health-related complaints from younger generations. This article covers the various facts about this increasingly serious issue.

Throughout history, there has been evidence of mental illness. Whether a behavior is classified as normal or abnormal depends on the context in which the behavior occurs, and this context is subject to change over time and across cultures.

Fortunately, we now have an identification of behavior patterns, thoughts, and emotions that occur in clusters and are referred to as “mental disorders”. The most widely used and accepted guide for diagnosing mental illness is the Diagnostic and Statistical Manual of Mental Disorders (DSM), published by the American Psychiatric Association.

Because there are always new research findings, better diagnostic techniques, and societal changes, the DSM is regularly reviewed and revised. Currently, the DSM is in its 5th edition.

In order to understand how the frequency of mental illnesses has changed over time, it is important to first understand what mental illnesses or psychological disorders are in the first place.

What Are Mental Illnesses/psychological Disorders?

A psychological disorder is any clinically significant pattern of behavior that meets the following criteria:

1. It’s personally distressing.
2. It causes disability or impairment in at least one or more important areas of functioning (maladaptive behaviors).
3. It increases the risk of suffering some type of disability, pain, or even death.
4. It violates social norms.

We briefly review each of these criteria below.

Personal Distress

The degree of personal distress means that a person may constantly have negative thoughts and feelings about themselves that interfere with their well-being and daily functioning.

For example, someone who suffers from a fear of heights will avoid taking the stairs or leaving the house to an unhealthy extreme.

Maladaptive Behavior

Another factor is whether the condition leads to maladaptive behavior.

Maladaptive behavior is when someone is unable to perform behaviors that are relevant to their daily life. This includes the ability to form social relationships, care for oneself, or perform everyday tasks, such as showering, eating, etc.

Disability Or Impairment

The third factor is the risk of disability, being affected by pain, or death.

For example, people who misbehave are more likely to put themselves at risk of harm. One research study found that people who are addicted to methamphetamines are more likely to be unable to take care of their physical health. People who suffer from depression, schizophrenia, and substance abuse disorders are more likely to harm themselves in the long run.

Social Norms

Social norms refer to society’s general expectations of how we should behave in a given situation. In any society, people have established a set of rules that define what is considered acceptable and what is not. If a person repeatedly fails to comply with these norms, they may be considered to be mentally disturbed.

However, this factor cannot be considered in isolation, but must be coupled with at least one of the above factors. For example, we are expected to take care of ourselves and be hygienic.

A depressed person is usually unable to take care of their hygiene and may exhibit motor deficits for days (i.e., unable to shower, brush teeth, and generally unable to get out of bed). Thus, this social norm violation is worrisome and is not considered normal.

Also Read: Are Mental Disorders Inherited Or Are They The Result Of Upbringing?

How Has The Incidence Of Mental Illness Changed Throughout History?

This is difficult to answer for several reasons.

Today, we arguably have a clearer understanding of what ‘makes’ one mentally ill, but ideas about what causes mental illness have been different through history. Women who showed symptoms of anxiety, hyperactivity, hallucinations, or delusions were labeled as “hysteric,” and their behavior was explained by any number of reasons, varying from the supernatural to reproductive issues. In 1981, hysteria was formally removed from the DSM, as it was considered to be a sexist attempt at understanding the psychological problems faced by women.

Historical records also don’t always give us the entire picture, especially of the poorest people or ordinary people. We can’t know whether mental health services were provided or available to every population, whether they were affordable and accessible, and if they existed, we don’t have data on how frequently people may have used of these services.

What is considered to be inhumane by medical standards today may have been common in the past. Mentally ill people have been linked to animals who lacked reason, and they were considered to be individuals who had no control over themselves and could respond violently without provocation. It was also believed that they had no sense of pain or temperature, and were able to live in poor and inhumane conditions with no sense of discomfort.

For this reason, people with mental illnesses weren’t considered “important enough” to keep a record of. They’d be shut inside an asylum for the rest of their lives. Electrical shock therapies were considered treatment, and they were chained and sedated, as they were considered to be “dangerous”.

However, several voices spoke out against such treatment. In the 19th century, in America, Dorothea Dix, a retired school teacher, discovered the negligence to which mentally ill people were subjected and started advocating for the establishment of more state-run hospitals.

However, we do have data for recent decades.

The prevalence of mental illness appears to be increasing worldwide. According to the WHO, in the last decade, there has been a 13% increase in the prevalence of mental illnesses, and 20% of children and adolescents worldwide suffer from at least one mental disorder.

These disorders have doubled in the last decade. A survey conducted by the NHS in the UK found that reports of self-harm increased by 62% from 2000-2014. The number of people reporting suicidal thoughts has also increased by 30%.

A psychological disorder that has become one of the most common and leading causes of disability throughout the world is depression. The most serious consequence of depression is suicide, which has now become the second leading cause of death. This is especially found in the ages of 15-29.

People who have mental disorders are at a risk of living two decades less than those who don’t have a mental disorder. This is because, if you recall the criteria for diagnosing mental illnesses, people who have a mental disorder are less likely to take care of themselves and more likely to engage in behaviors that can result in harm. Sometimes, that harm is permanent, such as suicide or serious drug abuse.

Another change in mental health is that stigmas against people with mental illness has decreased worldwide. However, some people with mental illness still face human rights violations and unfair prejudice.

When considering the increasing number of mental health-related problems springing up around the world, it is important to consider the impact of the COVID-19 pandemic on this issue.

Studies have reported that the coronavirus pandemic has led to anxiety and despair among the general population. Several studies have also reported that the long duration of social isolation during the coronavirus pandemic led to an increase in people feeling that life is meaningless. It has been reported that they experience more sadness and depressed moods, and also have unexplainable anxiety.

The pandemic and the constant changing living conditions, going from lockdown (when cases spurt) to opening up (when cases dip), has also led to an increase in sleep disorders, a lack of self-control, and feelings of despair and hopelessness.

Also Read: Why Are Some People Obsessed With Taking Selfies?

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