Illegal Drug and Controlled Substance Articles

• Alcoholism
  Addiction
  Healthy Aging
  Attention Deficit Disorder
  Sports Medicine
  Birth Defects
   
  

  Alcoholism

  Alcoholism is the consumption of or preoccupation with alcoholic beverages to the extent that this behavior interferes with the alcoholic's normal personal, family, social, or work life. The chronic ... > more
• Healthy Aging
  Attention Deficit Disorder
  Sports Medicine
  Molecular Biology
  Genetics
  Nervous System
   
  

  Neurotransmitter

  Neurotransmitters are chemicals that are used to relay, amplify and modulate electrical signals between a neuron and another cell. Substances that act as neurotransmitters can be roughly categorized ... > more
• Schizophrenia
  Mental Health Research
  Mental Health
  Psychiatry
  Disorders and Syndromes
  Attention Deficit Disorder
   
  

  Schizophrenia

  Schizophrenia is a mental disorder characterized by persistent defects in the perception or the expression of reality. A person experiencing untreated schizophrenia typically demonstrates ... > more
• Sexual Health
  Erectile Dysfunction
  Relationships
  Teen Health
  Gender Difference
  Birth Control
   
  

  Sex education

  Sex education is a broad term used to describe education about human sexual anatomy, sexual reproduction, sexual intercourse, and other aspects of human sexual behavior. Although some form of sex ... > more
• Insomnia Research
  Insomnia
  Sleep Disorder Research
  Sleep Disorders
  Sports Medicine
  Nature
   

  Circadian rhythm

  A circadian rhythm is a roughly 24 hour cycle in the physiological processes of living beings, including plants, animals, fungi and cyanobacteria. In a strict sense, circadian rhythms are ... > more
• Attention Deficit Disorder
  Sports Medicine
  Psychiatry
  Children's Health
  ADD and ADHD
  Down Syndrome
   
  

  Tourette syndrome

  Tourette syndrome (also called Tourette's syndrome, Tourette's disorder, Gilles de la Tourette syndrome, GTS or TS) is an inherited neurological disorder with onset in childhood, characterized by the ... > more
• Hormone Disorders
  Menopause
  Molecular Biology
  Prostate Cancer
  Cell Biology
  Diabetes
   

  Hormone

  A hormone is a chemical messenger from one cell (or group of cells) to another. All multicellular organisms produce hormones including plants. The best-known animal (and human) hormones are those ... > more
• Sleep Disorder Research
  Sleep Disorders
  Insomnia Research
  Insomnia
  Obstructive Sleep Apnea
  Disorders and Syndromes
   

  Insomnia

  Insomnia is characterized by an inability to sleep and/or to be incapable of remaining asleep for a reasonable period. Insomniacs typically complain of being unable to close their eyes or "rest their ... > more
• Nervous System
  Neuroscience
  Psychology Research
  Hormone Disorders
  Sports Medicine
  Gynecology
   
  

  Hypothalamus

  In mammals, the hypothalamus is a region of the brain located below the thalamus, forming the major portion of the ventral region of the diencephalon and functioning to regulate certain metabolic ... > more
• PTSD
  Mental Health Research
  Psychiatry
  Stress
  Mental Health
  Depression
   
  

  Post-traumatic stress disorder

  Post-traumatic stress disorder (PTSD) is a term for certain psychological consequences of exposure to, or confrontation with, stressful experiences that the person experiences as highly traumatic. ... > more

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