Scanning Electron Micrograph of HeroinA scanning electron microscope (SEM) image of white heroin. He

Scanning Electron Micrograph of HeroinA scanning electron microscope (SEM) image of white heroin. Heroin is a highly addictive drug that is often abused for its pain-killing and euphoric effects. Pure heroin is a white powder with a bitter taste. Street heroin comes in granule, powder, solution or pill forms and varies in color from white to dark brown, to a black sticky substance known as black tar heroin.Heroin is an opioid drug made from morphine, a natural substance taken from the seed pod of the various opium poppy plants grown in Southeast and Southwest Asia, Mexico, and Colombia. View More Images Dealing With Heroin & AddictionEvery day, more than 130 people in the United States die after overdosing on heroin or opioids. An estimated 4 to 6 percent of people who misuse prescription opioids will transition to heroin.Heroin enters the brain rapidly and binds to opioid receptors on cells located in many areas, especially those involved in feelings of pain and pleasure and in controlling heart rate, sleeping, and breathing.When people overdose on heroin, their breathing often slows or stops. This can decrease the amount of oxygen that reaches the brain, a condition called hypoxia. Hypoxia can have short and long-term effects on the brain and nervous system, including coma, brain damage, & death.Images above ©Ted Kinsman / Science Source -- source link

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