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  1. Crack cocaine - Wikipedia

    Crack cocaine, commonly known simply as crack, and also known as rock, is a free base form of the stimulant cocaine that can be smoked. Crack offers a short, intense high to smokers.

  2. Cocaine (Crack): What It Is, Side Effects, Risks & Withdrawal

    Crack gets its name from the crackling sound it makes as it’s processed or cooked. Crack looks like small brown rocks. People use crack cocaine by heating it in a glass pipe or adding it to …

  3. Crack vs. Cocaine: What’s the Difference Between Crack and ...

    May 8, 2025 · What Are The Differences Between Crack and Cocaine? There are some key differences between the two substances, particularly in the ways in which each is used and the …

  4. Crack Cocaine Fast Facts - United States Department of Justice

    Crack cocaine use among high school students is a particular problem. Nearly 4 percent of high school seniors in the United States used the drug at least once in their lifetime, and more than …

  5. Crack Effects | Short-Term, Long-Term, & Side Effects

    Jul 30, 2025 · Crack cocaine is an illegal substance that can be extremely addictive, even on first use. The effects of crack cocaine can be severe and even deadly.

  6. Crack epidemic | US History, Causes & Effects | Britannica

    Oct 2, 2025 · Crack epidemic, the significant increase in the use of crack cocaine, or crack, in the United States during the early 1980s. Crack cocaine was popularized because of its …

  7. Crack Cocaine Addiction - Symptoms, Warning Signs, & Treatment

    Oct 19, 2025 · Cocaine is derived from the South American coca plant, whereas crack is cocaine that has been heavily processed with water, ammonia, or baking soda to achieve a freebase …