Home > Search Results
  • We are sorry, but NCBI web applications do not support your browser and may not function properly. More information

Substance use disorder

Substance use disorder occurs when a person needs alcohol or another substance (drug) to function normally. Abruptly stopping the substance leads to withdrawal symptoms.

Diseases and Conditions - Last reviewed: February 24, 2014

PBG test

Porphobilinogen (PBG) is one of several types of porphyrins found in your body. Normally, your body breaks down porphyrins into heme, an important part of hemoglobin. Most of the time, porphyrins usually leave your body through urine or stools. If this process does not take place, porphyrins such as PBG can build up in your body.

Tests and Treatments - Last reviewed: March 3, 2013

Porphyrins - urine

Porphyrins help form many important substances in the body. One of these is hemoglobin, the protein in red blood cells that carries oxygen in the blood.

Tests and Treatments - Last reviewed: March 3, 2013

Drug abuse

Drug abuse is the recurrent use of illegal drugs, or the misuse of prescription or over-the-counter drugs with negative consequences. These consequences may involve

Healthy Living - Last reviewed: February 8, 2013

Recent Activity

    Your browsing activity is empty.

    Activity recording is turned off.

    Turn recording back on

    See more...