Evidence-Based Supplement & Herb Guides

Emotional detachment: Symptoms, Signs, Causes, and Complications

Learn what emotional detachment can feel like, how it may show up in relationships and daily life, what can contribute to it, and when symptoms may need professional evaluation.

Emotional detachment is a reduced sense of emotional connection to yourself, other people, or the world around you. For some people, it feels like...

Emotional dependency disorder causes, risk factors, and relationship effects

Emotional dependency can become harmful when reassurance seeking, fear of abandonment, and loss of autonomy interfere with safety, relationships, decisions, and daily functioning.

Emotional dependency can become a serious mental health concern when a person feels unable to function, make decisions, tolerate separation, or maintain self-worth without...

Ekbom Syndrome Symptoms and Signs: How Delusional Infestation Presents

Clear, medically grounded overview of Ekbom syndrome, including delusional infestation symptoms, visible signs, possible causes, risk factors, diagnostic context, complications, and urgent warning signs.

Ekbom syndrome is a rare psychiatric condition in which a person has a fixed belief that insects, parasites, worms, mites, fibers, or other organisms...

Dysthymia (Persistent Depressive Disorder): Overview, Symptoms, Risk Factors, and Diagnosis Context

A clear guide to dysthymia, also called persistent depressive disorder, including long-term symptoms, daily signs, causes, risk factors, diagnostic context, complications, and urgent warning signs.

Persistent depressive disorder is a long-lasting form of depression that can quietly shape a person’s mood, energy, self-worth, relationships, and daily functioning for years....

Dyssomnia Overview: Signs, Sleep Patterns, and Diagnostic Context

Dyssomnia is an umbrella term for sleep-wake problems affecting sleep quality, timing, or daytime alertness. Learn the key symptoms, causes, risk factors, diagnostic context, and complications.

Dyssomnia is an older clinical term for sleep problems that disturb the amount, quality, or timing of sleep. It is most often used to...

Dysphoria Overview: Meaning, Symptoms, Causes, and Complications

Understand dysphoria as a distressing mood state, including common symptoms, outward signs, possible causes, risk factors, diagnostic context, and complications.

Dysphoria is a state of emotional distress that can feel like deep unease, dissatisfaction, agitation, inner tension, or a painful sense that something is...

Dyslexia in Children and Adults: Symptoms, Causes, and Risk Factors

Learn what dyslexia is, how symptoms can appear in children and adults, what causes and risk factors are involved, and when reading problems need professional evaluation.

Dyslexia is a neurodevelopmental learning condition that mainly affects accurate and fluent reading and spelling. It is not a sign of low intelligence, laziness,...

Dysgraphia: How It Affects Handwriting, Spelling, and Written Expression

Learn what dysgraphia is, how it affects handwriting and written expression, which signs may appear by age, and how causes, risk factors, complications, and diagnostic context are understood.

Dysgraphia is a writing-related learning difficulty that can make handwriting, spelling, written organization, or the physical act of putting words on a page much...

Drug-Induced Psychotic Disorder Explained: Symptoms, Causes, and Risks

Learn what drug-induced psychotic disorder means, which symptoms and substances are involved, how clinicians distinguish it from other causes, and what complications can follow.

Drug-induced psychotic disorder occurs when hallucinations, delusions, or other psychotic symptoms develop in close connection with a substance, medication, intoxication, withdrawal, or toxic exposure....

Double depression Overview, Symptoms, Signs, Causes, Risk Factors, and Complications

Learn what double depression means, how it differs from persistent depressive disorder and major depression, and which symptoms, risks, complications, and warning signs matter most.

Double depression describes a pattern in which a long-lasting depressive condition is interrupted or intensified by a full major depressive episode. For many people,...

Dissociative Identity Disorder Symptoms, Signs, Causes, and Risk Factors

A clear, condition-focused overview of dissociative identity disorder, including symptoms, signs, causes, risk factors, diagnostic context, complications, and urgent warning signs.

Dissociative identity disorder is a complex dissociative disorder in which a person’s sense of identity, memory, awareness, and behavior become divided or discontinuous in...

Dissociative Fugue and Dissociative Amnesia: Symptoms, Risks, and Complications

Dissociative fugue involves memory loss with unexpected travel or wandering. Learn how symptoms appear, what may cause fugue states, key risk factors, possible complications, and why careful diagnostic evaluation matters.

Dissociative fugue is a rare and serious form of dissociation in which a person has significant memory loss and unexpectedly travels, wanders, or ends...

Dissociative Disorder Not Otherwise Specified Overview and Diagnostic Context

Learn what Dissociative Disorder Not Otherwise Specified means today, how symptoms may appear, what can contribute to dissociation, and when evaluation is important.

Dissociative Disorder Not Otherwise Specified, often shortened to DDNOS, is an older diagnostic term for clinically significant dissociative symptoms that did not fit neatly...

Dissociative Amnesia Explained: Types, Warning Signs, and Risk Factors

Dissociative amnesia involves memory gaps that go beyond ordinary forgetfulness, often linked with trauma or severe stress. Learn the main symptoms, signs, causes, risk factors, diagnostic context, and complications.

Dissociative amnesia is a mental health condition in which a person cannot recall important autobiographical information, usually connected to trauma or severe stress, in...

Disruptive Mood Dysregulation Disorder in Children and Teens: Symptoms and Diagnosis

Learn how disruptive mood dysregulation disorder affects children and teens, including core symptoms, diagnostic patterns, causes, risk factors, related conditions, and possible complications.

Disruptive mood dysregulation disorder is a childhood and adolescent mental health condition marked by severe, frequent temper outbursts and a persistently irritable or angry...

Disorganized schizophrenia: Symptoms, Signs, Causes, and Diagnostic Context

Clear explanation of what disorganized schizophrenia means today, including symptoms, causes, risk factors, diagnostic context, complications, and urgent warning signs.

Disorganized schizophrenia is an older term for a pattern of schizophrenia marked by especially prominent disorganized thinking, speech, behavior, and emotional expression. In current...

Disinhibited Social Engagement Disorder Overview and Diagnostic Context

Clear, clinically grounded overview of disinhibited social engagement disorder, including core symptoms, early caregiving causes, risk factors, diagnostic context, similar conditions, and possible complications.

Disinhibited social engagement disorder is a childhood condition linked to serious early caregiving deprivation. It is most noticeable when a child shows unusually familiar,...

Disinhibited attachment disorder: Overview and Key Warning Signs

Learn what disinhibited attachment disorder means, how it relates to disinhibited social engagement disorder, and which symptoms, causes, risks, and complications matter most.

Disinhibited attachment disorder is an older or informal name often used for what current diagnostic systems usually call disinhibited social engagement disorder. It describes...

Diogenes Syndrome Symptoms, Risk Factors, and Health Effects

Diogenes syndrome involves severe self-neglect, unsafe living conditions, social withdrawal, poor insight, and possible hoarding. Learn the key signs, causes, risk factors, complications, and diagnostic context.

Diogenes syndrome is a pattern of severe self-neglect in which a person’s hygiene, living environment, health needs, and social functioning deteriorate to a dangerous...

Dhat syndrome and Semen-Loss Anxiety: Causes, Signs, and Effects

Dhat syndrome is a culturally shaped pattern of distress centered on feared semen loss or semen-like discharge. Learn about symptoms, signs, causes, risk factors, diagnostic context, and possible complications.

Dhat syndrome is a culturally shaped pattern of distress in which a person becomes deeply worried that semen, or a semen-like fluid, is being...