Oligophrenia is an old medical word that means a long-lasting problem with learning, thinking, and daily life skills that starts in childhood. Today doctors ...

Very early-onset schizophrenia (VEOS) is a serious brain illness. In this condition, a child has strong problems with thinking, feelings, and behavior. The ...

Childhood-onset schizophrenia is a serious mental health disorder where a child loses touch with reality. This means the child may see, hear, or believe things ...

Symbiotic psychosis is a rare mental health problem where two or more people who are very close to each other share the same strange belief (delusion). One ...

Disintegrative psychosis is an old name for a very rare child development problem now called childhood disintegrative disorder (CDD). In this condition, a ...

Childhood disintegrative disorder (CDD) is a very rare brain and development problem in children. A child grows and learns normally for at least the first 2–3 ...

Pedophilia is a mental health condition in which a person has recurrent, intense sexual thoughts, urges, or fantasies about prepubescent children (children who ...

Emotional Dysexecutive Syndrome is a condition in which damage to executive brain networks—especially in the frontal lobes—impairs a person’s ability to ...

Behavioural Dysexecutive Syndrome (BDS) is a pattern of problems that arise when the brain’s “executive” control system becomes impaired. Executive functions ...

Cognitive Dysexecutive Syndrome is a pattern of thinking and behavior problems resulting from damage to the brain’s executive control systems. These ...

Dysexecutive syndrome (DES) is a pattern of cognitive, behavioural, and emotional difficulties that arise when the brain’s executive functions are impaired. ...

Personality disorders (PD) are a class of mental health conditions characterized by enduring maladaptive patterns of behavior, cognition, and inner experience, ...

Narcissistic Personality Disorder (NPD) is a mental health condition where a person has an inflated sense of self-importance, a deep need for admiration, and a ...

In our modern, always-connected world, many people have experienced the strange sensation of feeling their phone vibrate even when it hasn’t. This phenomenon, ...

Hypochondria is a condition where a person is excessively worried about having a serious illness—even when medical tests show no sign of one. People with ...

Oniomania, sometimes called compulsive shopping or shopping addiction, is a condition where a person feels an overwhelming impulse to shop and spend money—even ...

Unmarital sex addiction is generally described as a compulsive preoccupation with sexual thoughts and behaviors that occur outside of a traditional marital ...

Aphrodisiac addiction refers to a pattern of behavior in which a person develops a compulsive use or dependence on substances marketed as aphrodisiacs—agents ...

Adulteress addiction generally refers to a compulsive need to engage in extramarital or adulterous affairs. This behavior may be driven by psychological, ...

Reverse tolerance (drug sensitization) is a pharmacological phenomenon where there is an increase in the potency of a drug caused by factors like the ...