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• Headaches
  Headache Research
  Disorders and Syndromes
  Diseases and Conditions
  Cold and Flu
  Sports Medicine
   

  Cluster headache

  Cluster headaches are rare, extremely painful and debilitating headaches that occur in groups or clusters. Cluster headache sufferers typically experience severe headaches of a piercing quality near ... > more
• Gynecology
  Attention Deficit Disorder
  Depression
  Healthy Aging
  Sports Medicine
  Mental Health Research
   

  Premenstrual stress syndrome

  Premenstrual Stress Syndrome (PMS, also called Premenstrual Stress, Premenstrual Tension, PMT, Premenstrual Syndrome, Periodic Mood Swing) is stress which is a physical symptom prior to the onset of ... > more
• Psychiatry
  Attention Deficit Disorder
  Healthy Aging
  Mental Health Research
  Disorders and Syndromes
  Anxiety
   
  

  Obsessive-compulsive disorder

  Obsessive-compulsive disorder (OCD) is a psychiatric disorder; more specifically, it is an anxiety disorder. OCD is manifested in a variety of forms, but it is most commonly characterized by a ... > more
• Schizophrenia
  Parkinson's
  Controlled Substances
  Illegal Drugs
  Insomnia
  Pharmacology
   
  

  Dopamine

  Dopamine is a chemical naturally produced in the body. In the brain, dopamine functions as a neurotransmitter, activating dopamine receptors. Dopamine can be supplied as a medication that acts on the ... > more
• Autism
  Children's Health
  Attention Deficit Disorder
  Birth Defects
  Healthy Aging
  Down Syndrome
   

  Rett syndrome

  Rett syndrome (or Rett's disorder) is a progressive neurological disorder that is classified as a pervasive developmental disorder by the DSM-IV. The symptoms of this disorder are easily confused ... > more
• Headaches
  Headache Research
  Disorders and Syndromes
  Healthy Aging
  Diseases and Conditions
  Attention Deficit Disorder
   

  Migraine

  Migraine is a neurologic disease, of which the most common symptom is an intense and disabling headache. Migraine is the most common type of vascular headache. Migraine headaches are usually ... > more
• Nervous System
  Neuroscience
  Brain Injury
  Perception
  Developmental Biology
  Molecular Biology
   

  Sensory neuron

  Sensory neurons are nerve cells within the nervous system responsible for converting external stimuli from the organism's environment into internal electrical impulses. For example, some sensory ... > more
• Healthy Aging
  Attention Deficit Disorder
  Amyotrophic Lateral Sclerosis
  Food Additives
  Brain Injury
  Sports Medicine
   

  Excitotoxicity

  Excitotoxicity is the pathological process by which neurons are damaged and killed by the overactivations of receptors for the excitatory neurotransmitter glutamate, such as the NMDA receptor and ... > more
• Schizophrenia
  Mental Health Research
  Mental Health
  Controlled Substances
  Illegal Drugs
  Pharmacology
   

  Dopamine hypothesis of schizophrenia

  The dopamine hypothesis of schizophrenia or the dopamine hypothesis of psychosis is a theory that argues that the unusual behaviour and experiences associated with schizophrenia (sometimes extended ... > more
• Illegal Drugs
  Psychiatry
  Schizophrenia
  Depression
  Addiction
  Psychedelic Drugs
   

  Psychopharmacology

  Psychopharmacology is the study of drug-induced changes in mood, thinking, and behavior. These drugs may originate from natural sources such as plants and animals, or from artificial sources such as ... > more

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