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Drug addiction is a chronic disease that causes drug-seeking behavior and drug use despite negative consequences to the user and those around him. Though the initial decision to use drugs is voluntary, changes in the brain caused by repeated drug abuse can affect a person's self-control and ability to make the right decisions and increase the urge to take drugs. Drug abuse and addiction are preventable.

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    • Drug Abuse Second Source article from Government...learn more »
    • Human Immunodeficiency Virus (HIV) The human immunodeficiency virus (HIV) causes HIV infection and the acquired immunodeficiency syndrome (AIDS). Symptoms and signs...learn more »
      In This Article
      Human Immunodeficiency Virus (HIV) Article
      • Human immunodeficiency virus (HIV) facts
      • What is the history of HIV, and when was HIV discovered?
      • What tests are used in the diagnosis of HIV?
      • How is HIV spread (transmitted)?
      • What are symptoms and signs of HIV infection and AIDS in men, women, and children?
      • What happens after an exposure to the blood or genital secretions of an HIV-infected person?
      • What laboratory tests are used to monitor HIV-infected people?
      • What are HIV treatments and medications? What are the key principles in managing HIV infection?
      • When should antiviral therapy be started?
      • What is the initial therapy for HIV?
      • What are nucleoside and nucleotide analogue reverse transcriptase inhibitors (NRTIs)?
      • What are nonnucleoside analogue reverse transcriptase inhibitors (NNRTIs)?
      • What are protease inhibitors?
      • What are fusion inhibitors?
      • What is a CCR5 antagonist?
      • What is an integrase strand transfer inhibitor?
      • What HIV drugs are in development?
      • What are side effects of HIV therapy?
      • What happens if the patient's viral load increases while on HIV therapy?
      • What are the risks of missing doses or stopping antiviral therapy?
      • Should patients with the flu- or mono-like illness of primary HIV infection be treated?
      • What about treatment for HIV during pregnancy?
      • What can be done for people who have severe immunosuppression?
      • What is the future for HIV-infected individuals with regards to treatment simplification and cure research?
      • What is in the future for preventing HIV transmission?
    • Depression Depression is an illness that involves the body, mood, and thoughts and affects the way a person eats and sleeps, the way one...learn more »
      In This Article
      Depression Article
      • Depression facts
      • What is a depressive disorder?
      • What are myths about depression?
      • What are the types of depression, and what are depression symptoms and signs?
      • Depression symptoms and signs in men
      • Depression symptoms and signs in women
      • Depression symptoms and signs in teenagers
      • Depression symptoms and signs in children
      • What are the risk factors and causes of depression?
      • Postpartum depression
      • How is depression diagnosed?
      • What treatments are available for depression?
      • What is the general approach to treating depression?
      • What about sexual dysfunction related to antidepressants?
      • What about discontinuing antidepressants?
      • What are complications of depression?
      • What is the prognosis for depression?
      • How can depression be prevented?
      • What about self-help and home remedies for depression?
      • How can someone help a person who is depressed?
      • Where can one seek help for depression?
      • What is in the future for depression?
      • Where can people find more information about depression?
    • Erectile Dysfunction (ED, Impotence) Erectile dysfunction (ED, impotence) is the failure to achieve or maintain an erection. There are many potential underlying...learn more »
      In This Article
      Erectile Dysfunction (ED, Impotence) Article
      • Erectile dysfunction (impotence) facts
      • What is erectile dysfunction (ED)?
      • What are erectile dysfunction symptoms and signs?
      • What is normal penis anatomy?
      • How common is erectile dysfunction?
      • How does erection occur?
      • How is erection sustained?
      • What are erectile dysfunction risk factors?
      • What causes erectile dysfunction?
      • How is erectile dysfunction diagnosed?
      • What drugs treat erectile dysfunction?
      • What is the treatment for erectile dysfunction?
      • Oral phosphodiesterase type 5 (PDE5) inhibitors
      • Sildenafil (Viagra)
      • Vardenafil (Levitra)
      • Tadalafil (Cialis)
      • Avanafil (Stendra)
      • What are intracavernosal injections?
      • What are intraurethral suppositories?
      • How effective is testosterone in treating erectile dysfunction?
      • Can a penis pump (vacuum device) help erectile dysfunction?
      • Can low testosterone level be replaced?
      • What about psychological therapy for erectile dysfunction?
      • Surgery for erectile dysfunction
      • Can over-the-counter (OTC) and/or natural or home remedies treat erectile dysfunction?
      • Is it possible to prevent erectile dysfunction?
      • What is the prognosis for erectile dysfunction?
      • What research is being done for erectile dysfunction?
    • Schizophrenia Schizophrenia is a disabling brain disorder that may cause hallucinations and delusions and affect a person's ability to...learn more »
      In This Article
      Schizophrenia Article
      • Schizophrenia facts
      • What is the definition of schizophrenia?
      • How common is schizophrenia in children?
      • What is the history of schizophrenia?
      • What are schizophrenia causes? Is schizophrenia hereditary?
      • What are schizophrenia symptoms and signs?
      • How do health-care professionals diagnose schizophrenia? Are there particular tests that detect schizophrenia?
      • What are treatments for schizophrenia and the side effects of those treatments?
      • What are potential complications of schizophrenia? What is the prognosis for schizophrenia?
      • What research is being done on schizophrenia?
      • Where can people get more information about schizophrenia? How can people find a support group, specialists who treat the illness, or other assistance for schizophrenia?
    • Steroid Drug Withdrawal Corticosteroid drugs such as prednisone and prednisolone are commonly used to treat asthma, allergic reactions, RA, and IBD....learn more »
      In This Article
      Steroid Drug Withdrawal Article
      • Steroid withdrawal facts
      • Introduction
      • What are steroid withdrawal symptoms?
      • Discontinuing steroids

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Terms related to Drug Abuse:

  • Addiction
  • Drug Addiction
  • Substance Abuse