Evidence-Based Supplement & Herb Guides

Munchausen Syndrome Signs, Symptoms, and Health Risks

Understand Munchausen syndrome, now often called factitious disorder imposed on self, including key symptoms, warning signs, causes, risk factors, diagnostic context, and serious complications.

Munchausen syndrome is a serious mental health condition in which a person falsifies, exaggerates, or deliberately creates illness in themselves without an obvious external...

Munchausen Syndrome by Proxy: Overview, Warning Signs, Causes, and Complications

Learn what Munchausen syndrome by proxy means, how factitious disorder imposed on another may appear, which warning signs matter, and why urgent professional evaluation can be necessary.

Munchausen syndrome by proxy is a serious and often difficult-to-recognize form of abuse in which a caregiver falsifies, exaggerates, or causes illness in another...

Morgellons Syndrome Signs, Similar Conditions, and Complications

Understand Morgellons syndrome, including common skin sensations, fiber concerns, possible causes, risk factors, diagnostic context, and safety concerns.

Morgellons syndrome is a highly distressing condition in which a person experiences unusual skin sensations, persistent sores or lesions, and a belief that fibers,...

Moral Insanity Explained: Historical Meaning and Modern Diagnosis

A clear guide to moral insanity as an outdated psychiatric term, including its historical meaning, modern diagnostic context, possible behavioral patterns, risk factors, warning signs, and complications.

“Moral insanity” is a historical psychiatric term, not a diagnosis used in modern mental health classification. In the 1800s, it was used to describe...

Mood Dysregulation Disorder in Children and Teens: Overview and Warning Signs

Mood dysregulation disorder in children involves persistent irritability and severe outbursts that can affect home, school, and relationships. Learn the main symptoms, causes, risks, diagnostic context, and complications.

Mood dysregulation disorder usually refers to disruptive mood dysregulation disorder, often shortened to DMDD. It is a childhood and adolescent mental health condition marked...

Mood Disorder Signs, Types, Causes, and Complications

Mood disorders can involve depression, mania, hypomania, irritability, sleep changes, impaired functioning, and safety risks. Learn the main types, signs, causes, risk factors, diagnostic context, and complications.

A mood disorder is a mental health condition in which changes in mood are more intense, persistent, impairing, or medically significant than ordinary emotional...

Mood Disorder Not Otherwise Specified Mood Symptoms, Causes, and Risks

Understand what mood disorder NOS means, how the older label relates to current diagnostic terms, which symptoms may appear, what conditions it can resemble, and when evaluation may be urgent.

Mood disorder not otherwise specified, often shortened to mood disorder NOS, is an older diagnostic term that may still appear in medical records, insurance...

Monothematic Delusion Symptoms, Examples, Causes, and Warning Signs

Clear, medically grounded guide to monothematic delusion, including common examples, symptoms, causes, risk factors, diagnostic context, look-alike conditions, urgent warning signs, and possible complications.

A monothematic delusion is a fixed false belief organized around one main theme. The person may otherwise seem logical, emotionally present, and able to...

Mixed Episode Signs, Risk Factors, and Safety Concerns

Learn what a mixed episode means, how mixed depressive and manic symptoms can appear, what may cause them, and when urgent professional evaluation matters.

A mixed episode is a period of mood disturbance in which depressive symptoms and manic or hypomanic symptoms occur together or very close in...

Mixed Anxiety-Depressive Disorder: Symptoms, Signs, Causes, and Risks

Learn how mixed anxiety-depressive disorder is recognized, what symptoms and signs may appear, how it differs from anxiety or depression alone, and when evaluation may be important.

Mixed anxiety-depressive disorder describes a pattern in which anxiety and depressive symptoms occur together, overlap, and reinforce each other, but neither set of symptoms...

Misophonia Explained: Symptoms, Sound Triggers, and Causes

Misophonia can cause intense reactions to specific sounds or related cues. Learn the main symptoms, common triggers, possible causes, risk factors, diagnostic context, and complications.

Misophonia is a condition in which certain everyday sounds or related sensory cues trigger an unusually strong emotional, physical, and behavioral reaction. The reaction...

Mild Neurocognitive Disorder Symptoms, Signs, Causes, and Diagnostic Context

Learn what mild neurocognitive disorder means, how symptoms differ from normal aging and dementia, what causes may be involved, and when evaluation matters.

Mild neurocognitive disorder describes a noticeable decline in thinking abilities that is greater than expected for age, education, and usual functioning, but not severe...

Mild Intellectual Disability Signs in Children, Teens, and Adults

Clear guide to mild intellectual disability, including symptoms, signs by age, adaptive functioning, possible causes, risk factors, diagnostic context, and complications.

Mild intellectual disability is a neurodevelopmental condition that affects how a person learns, reasons, solves problems, and manages everyday demands. It begins during the...

Mild Cognitive Impairment (MCI): Causes, Risk Factors, and Cognitive Symptoms

A clear guide to mild cognitive impairment, including common symptoms, early signs, causes, risk factors, diagnostic context, complications, and how MCI differs from normal aging and dementia.

Mild cognitive impairment is a noticeable decline in thinking, memory, language, attention, or decision-making that is greater than expected with typical aging but not...

Metaphysical Anxiety Explained: Signs, Risk Factors, and Diagnostic Context

Learn what metaphysical anxiety can feel like, how it differs from ordinary existential thought, what symptoms and risk factors may appear, and when professional evaluation may be important.

Metaphysical anxiety is a term people often use for intense distress about existence, reality, death, consciousness, identity, meaning, or the nature of life itself....

Mental Exhaustion Disorder: Symptoms, Signs, Causes, and Complications

Learn what mental exhaustion disorder means, how symptoms appear, what conditions it can resemble, and when persistent mental depletion may need professional evaluation.

Mental exhaustion can feel like the mind has run out of usable energy. Everyday decisions take longer, focus slips, emotions feel closer to the...

Menstrual Psychosis: Symptoms, Signs, Causes, and Diagnostic Context

Menstrual psychosis is a rare pattern of recurrent psychotic or manic-like episodes linked to the menstrual cycle. Learn the signs, timing patterns, possible causes, risk factors, diagnostic context, and urgent warning concerns.

Menstrual psychosis is a rare, serious pattern of psychotic symptoms that appears to occur in close timing with the menstrual cycle. It is not...

Melancholic Depression Signs and How It Differs From Other Depression Types

Learn what melancholic depression means, how its symptoms differ from other depressive patterns, what causes and risk factors may be involved, and when professional evaluation is important.

Melancholic depression is a severe pattern of depressive illness marked less by ordinary sadness and more by a profound loss of emotional response, pleasure,...

Masochistic Personality Disorder Overview: Self-Defeating Patterns, Risks, and Complications

Learn what masochistic personality disorder means today, why it is not a current standalone diagnosis, and how self-defeating traits may overlap with trauma, depression, relationship patterns, and personality disorder assessment.

Masochistic personality disorder is a historical term for a proposed pattern of self-defeating personality traits. In modern clinical language, it is usually discussed as...

Masochism Disorder vs Consensual BDSM: Key Differences and Warning Signs

A clear guide to sexual masochism disorder, including how it differs from consensual BDSM, the symptoms and signs clinicians assess, possible causes, risk factors, complications, and when evaluation may be important.

Masochism disorder is best understood in clinical terms as sexual masochism disorder: a condition in which a person has recurrent, intense sexual arousal from...